Everything was placed exactly he wanted it for the graduation ceremony.A. thoughB. whereC

问题补充：

Everything was placed exactly he wanted it for the graduation ceremony.

A. though

B. where

C. while

D. when

答案：

A. though

(答案→)B. where

C. while

D. when

解析：考察状语从句。结合句意可知是指东西被放在了他想要的地方。故B正确。