Why not try your luck downtown Bob? That’s the best jobs are. A. whereB. whatC. when D.

问题补充：

Why not try your luck downtown, Bob? That’s the best jobs are.

A. where

B. what

C. when

D. why

答案：

(答案→)A. where

B. what

C. when

D. why

解析：考查表语从句：句意：为什么不到商业区碰碰运气，那时好工作聚集的地方。Where 是表语从句中的引导词相当于，Thatsthe place where the best jobs are.不过现在就是定语从句了。选A。