问题如下图：
选项：
A. 
B. 
C. 
D. 
解释：
a 和 c 答案完全看不懂是什么意思。什么是pooled model 什么是 credit bureau score model， 另外什么是characteristic 什么是attribute ,麻烦老师帮忙解答下，我看很多同学都做错了~
NO.PZ2016082405000083 Whiof the following statements is correregarng cret risk scoring mols? A poolemol will result in scores ranging from 300 to 850. A custom mol is cheaper to implement thcret burescores. Multiple requests for new cret will reapplicant’s cret score. An. example of a characteristic in a scoring mol is the applicant's current gross salary of $50,000. C invial’s cret file will show a history of cret requests, with multiple requests causing applicant’s cret score to cline. A cret burescore mol (rather thpoolemol) will result in scores ranging from 300 to 850. A custom mol is more expensive to implement thcret burescores. -Gross salary with current employer- is example of a characteristiwith the actusalary number itself representing attribute. 什么是poolemol呢？
A custom mol is cheaper to implement thcret burescores. Multiple requests for new cret will reapplicant’s cret score. An. example of a characteristic in a scoring mol is the applicant's current gross salary of $50,000. C invial’s cret file will show a history of cret requests, with multiple requests causing applicant’s cret score to cline. A cret burescore mol (rather thpoolemol) will result in scores ranging from 300 to 850. A custom mol is more expensive to implement thcret burescores. -Gross salary with current employer- is example of a characteristiwith the actusalary number itself representing attribute. 在哪里？在哪里？
Whiof the following statements is correregarng cret risk scoring mols? A poolemol will result in scores ranging from 300 to 850. A custom mol is cheaper to implement thcret burescores. Multiple requests for new cret will reapplicant’s cret score. An. example of a characteristic in a scoring mol is the applicant's current gross salary of $50,000. C invial’s cret file will show a history of cret requests, with multiple requests causing applicant’s cret score to cline. A cret burescore mol (rather thpoolemol) will result in scores ranging from 300 to 850. A custom mol is more expensive to implement thcret burescores. -Gross salary with current employer- is example of a characteristiwith the actusalary number itself representing attribute. 请问B里面的custom mol是啥啊，为啥不便宜
啥错的？看不懂。
C和觉都对？
