【羿文寄语】成功不是做你喜欢做的事，而是做你应该做的事。

CFA考试Level Ⅰ

【单选题】

If regulations do not specify how long to retain the documents that support an analyst's conclusions, the Code and Standards recommend a period of at least:

A.five years.

B.seven years.

C.ten years.

答案：B

【解析】When no other regulatory guidance applies, Standard V(C) Record Retention recommends that records be maintained for a minimum of seven years.