it comes to Chinese films we first think of the famous director Zhang Yimou.A. WhenB. Wh

问题补充：

it comes to Chinese films, we first think of the famous director Zhang Yimou.

A. When

B. While

C. After

D. Though

答案：

(答案→)A. When

B. While

C. After

D. Though

解析：考查状语从句.句意当想到中国电影,我们首先想的的是中国著名导演张艺谋.可知前文从句为主句时间状语,故选A.