问题如下图：
选项：
A. 
B. 
C. 
解释：
不是说similar maturity and credit, 为啥rating rating 应该是same？
NO.PZ2018062005000023 问题如下 Whiof the following situation is not appropriate for bt-rating approato use A.The bt-rating approacusewhen we cannot get a reliable current market prifor a company’s B.The ratings of the two companies shoulthe same The ratings of the two companies cfferent C is correct. The ratings of the two companies shoulthe same 老师好 A为什么是错的
NO.PZ2018062005000023 The ratings of the two companies shoulthe same The ratings of the two companies cfferent C is correct. The ratings of the two companies shoulthe sameB是应该一样（那就要有相同的规模，资本结构etc.,不然就用不了，但是基本上没有哪两家公司时一模一样的吧，哪有the same 的两家公司啊）。C是可以不同，不同但可以是similar，而且“cbe”，很显然C的表述更严谨啊。
