—What made ber so sad? —a good chance to go abroad.A. MissB. MissedC. MissingD. Being miss

问题补充：

—What made ber so sad? —a good chance to go abroad.

A. Miss

B. Missed

C. Missing

D. Being missed

答案：

A. Miss

B. Missed

(答案→)C. Missing

D. Being missed

解析：

根据问句的意思：什么使她如此的伤心呢？可知是对主语进行的提问，从四个选项中看出动名词能做主语，根据句意：错过了一次去国外的好机会，所以选C。