天山-9-15

为什么答案选A， 感觉results 的s 是不对的呀

The commission’s office of compliance, inspection, and investigations plans to intensify its security of stock analysts to investigate not only whether research is an independent function at brokerage firms, but also whether conflicts results when analysts own the stocks they write about or when they are paid for their work by a firm’s investment banking division.

A.    to investigate not only whether research is an independent function at brokerage firms, but also whether conflicts results when analysts own the stocks they write about or when they are paid

B.    to investigate not only whether research is an independent function at brokerage firms, but also if conflicts results when analysts own the stocks they write about or they are

C.    to not only investigate whether or not research is an independent function at brokerage firms, but also if conflicts results when analysts own the stocks they write about or are

D.    not only to investigate whether or not research is an independent function at brokerage firms, but also whether conflicts result when analysts own the stocks they write about or are

E.     not only to investigate whether research is an independent function at brokerage firms, but also whether conflicts result when analysts own the stocks they write about or when

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