When I began to sing they laughed and laughed which made me.A exhausted B embarrassing

问题补充：

When I began to sing, they laughed and laughed, which made me.

A、exhausted B、embarrassing C、embarrassed

答案：

解析：句意：当我开始唱的时候，他们笑啊笑，这使我很尴尬。A、exhausted筋疲力尽的；

B embarrassing尴尬的，修饰物；C、embarrassed 尴尬的，修饰人。本处使我me尴尬，故选C。