问题如下图：
选项：
A. 
B. 
C. 
D. 
解释：
A选项为什么不对？什么是by far the most important analyst task?
NO.PZ2016082405000010 Whiof the following statements regarng the role of a corporate cret analyst is most likely correct? Earnings analysis is fthe most important analyst task. The larger the size of the firm, the lower the cost of analysis. Analysts are generally requireto cover multiple instry aregiven the huge versity among corporations. The smaller the firm, the lower the cost of analysis. B With a large public company, there ma lot of publicly available information thwoulonly necessitate seconry research, thererecing costs. With a smaller private company, less information is likely available, an a result, more e ligenanprimary researwoulrequire thereincreasing costs. Although the basic analyticprinciples are the same, there is huge versity in the business sectors, procts, size, angeographic locations of the firms being analyze a result, the corporate cret analyst must possess specific instry knowlee in orr to effective. analyst will most likely focus on only one or two instry areas. Corporate cret analysts specifically analyze firms thare NOT financiinstitutions. Cash flow analysis, not earnings analysis, is key to assessing corporate cret risk. 1.什么是Cash flow analysis 2.什么是earnings analysis，一般应用在什么方面呢
Whiof the following statements regarng the role of a corporate cret analyst is most likely correct? Earnings analysis is fthe most important analyst task. The larger the size of the firm, the lower the cost of analysis. Analysts are generally requireto cover multiple instry aregiven the huge versity among corporations. The smaller the firm, the lower the cost of analysis. B With a large public company, there ma lot of publicly available information thwoulonly necessitate seconry research, thererecing costs. With a smaller private company, less information is likely available, an a result, more e ligenanprimary researwoulrequire thereincreasing costs. Although the basic analyticprinciples are the same, there is huge versity in the business sectors, procts, size, angeographic locations of the firms being analyze a result, the corporate cret analyst must possess specific instry knowlee in orr to effective. analyst will most likely focus on only one or two instry areas. Corporate cret analysts specifically analyze firms thare NOT financiinstitutions. Cash flow analysis, not earnings analysis, is key to assessing corporate cret risk. 请问老师C为什么不对呢？
不是说在风险管控领域，越大越seconomies吗？
公司越大，经营范围越广，业务结构越复杂，做分析不是应该更难吗
