John thinks it won’t be long he is ready for his new job.A. whenB. afterC. beforeD. since

问题补充：

John thinks it won’t be long he is ready for his new job.

A. when

B. after

C. before

D. since

答案：

A. when

B. after

(答案→)C. before

D. since

解析：句意：John 认为他过不了多久就可以为他的新工作做好准备（适应新的工作）。wont be long before 离……不会太久。所以选择C