My friend Monica student in class 12 made great progress in the mid-term examination.A.

问题补充：

My friend Monica, student in class 12, made great progress in the mid-term examination.

A. a, the

B. a, a

C. the,/

D. a,/

答案：

A. a, the

B. a, a

C. the,/

D. a,/

解析：考查冠词。第一空用a泛指12班的一个学生。第二空是固定词组make progress取得进步；progress是不可数名词，不能用a修饰。故D正确。