T-9-Q15. 从来么人问过这个，请大家看看是不是有这个问题

T-9-Q15.
   

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.

1. 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

2. 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

3. 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

4. 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

5. 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

答案是A，从平行对称上来说是对的，但是conflicts results对不对啊？如果错应该不是effectiveness的问题啊

自己顶