The commission acknowledged that no amount of money or staff members can ensure the safety of people who live in the vicinty of a nuclear plant, but it approved the installation because it believed that all reasonable precautions had been taken.

A no amount of money or staff members

B neither vast amounts of money nor staff members

C neither vast amounts of money nor numbers of staff members

D neither vast amounts of money nor a large staff

E no matter how large the staff or how vast the amount of money

为什么选D,其他几项错哪里？

A no amount of (money or staff members)

B neither vast (amounts of money nor staff members)

C neither vast (amounts of money nor numbers of staff members)

D neither (vast amounts of money) nor (a large staff)

E no matter how large the staff or how vast the amount of money(语气不对）

打上括号就清晰了，修饰关系不明是个大问题