请教两道补充材料语法题

milkyway

补充材料：42
In assessing the problems faced by rural migrant workers,the questions
of whether they are better off materially than the urban working poor
is irrelevant.
D In an assessment of the problems faced by rural migrant workers,the
questions of whether they are better off materially than the urban
working poor is irrelevant.
答案是：D，那原句为什么不对呢？
补充材料：４7
The lawyer for the defense charged that she suspected the police of
having illegally taped her confidential conversations with her client and
then used the information obtained to find evidence supporting their
muder charges.
D of using the information they had obtained to find evidence that
would support
答案是：D，那原句为什么不对呢？

iselibra

原文的意思是the questions in assessing the problems
你说逻辑通么

iselibra

using information与having taped并列