This is story-book. It was written by Yang Hongying. A. the B. a C. an

问题补充：

This is story-book. It was written by Yang Hongying.

A. the B. a C. an

答案：

解析：本空表示第一次提到的不特定物story-book，故选用不定冠词， 又因story-book是以辅音因素开头的单词。