单选题 The manager, however, did not pay much attention ______ the grounds that the problem will be solved soon.
A. to
B. from
C. at
D. on

【正确答案】 D
【答案解析】中级问题 on the ground(s)of/that…意为“根据……,由于……”,知道这个就能解题。因为是建立在根据之“上”的行为,所以用表示“在……上”的on。
[高频词语] pay (much) attention to (十分) 关注某事