Question

After several sleepless nights, Mr. Smith ______ a perfect solution to the problems.

A．kept up with	B．put up with
C．came up with	D．ended up with

Answer 1

C

试题分析：kept up with赶得上，和……保持联系；put up with忍受，容忍；came up with提出，想出，赶上；ended up with以……而结束.句意：在几个无眠的夜晚之后，史密斯先生相处了一个解决这个问题的完美的办法。结合语境可知选C。