Don’t waste time with someone who won’t support you need.
A. in place of
B. ahead of
C. apart from
D. in time of
网友回答
A. in place of
B. ahead of
C. apart from
(答案→)D. in time of
解析：考察介词短语辨析。A代替；B提前；C除…之外；D在…时候；句意：不要浪费时间再那些在你需要帮助的时候不支持你的人身上。根据句意说明D正确。