问题
He made few mistakes in his speech, ______________—____________, his perform is wonderful.
A:didn’t he; Yes, he did
B:did he; No, he didn’t
C:was he; No, he isn’t
D:wasn’t he; Yes, he is;
B:did he; No, he didn’t
C:was he; No, he isn’t
D:wasn’t he; Yes, he is;
正确答案是：
