He wrote song which turned out to be rather popular with young.A. the; theB. a; 不填C. a

问题补充：

He wrote song, which turned out to be rather popular with young.

A. the; the

B. a; 不填

C. a; the

D. the; 不填

答案：

A. the; the

B. a; 不填

(答案→)C. a; the

D. the; 不填

解析：某些形容词、-ing形式或过去分词前加定冠词the用于表示一类人。