The young man thought carefully for several days and decided to the job offer. A. lift up

问题补充：

The young man thought carefully for several days and decided to the job offer.

A. lift up

B. take up

C. sweep up

D. set up

答案：

A. lift up

(答案→)B. take up

C. sweep up

D. set up

解析：

试题分析:考查动词短语。A举起；B从事；C打扫；D建立。从语义判断对于提供的工作应该是接受，从事，句意：这个年轻人认真考虑了几天，然后决定接受这份提供的工作。所以B选项正确。