In order not to in front of the audience the speaker spent many hours preparing his spee

问题补充：

In order not to in front of the audience, the speaker spent many hours preparing his speech.

A. lose his faces

B. lose a face

C. lose the face

D. lose face

答案：

A. lose his faces

B. lose a face

C. lose the face

(答案→)D. lose face

解析：

试题解析：固定短语搭配。Lose face 丢人，丢脸。其它短语不存在。句意：为了不在观众面前丢脸，这位演讲者花了好几个小时准备演讲。