Don’t punish him for his mistakes in the exercise-book. he is still a child.A. At first

问题补充：

Don’t punish him for his mistakes in the exercise-book. , he is still a child.

A. At first B. First of all C. After all.

答案：

解析：A. At first起先，首先；最初，B. First of all 首先, C. After all.毕竟，终究。根据题意不要因为练习册上的错误惩罚他。毕竟，他只是一个孩子。

故选C