单选题
The booksellers didn't want to buy all the books, ______.
A、
did he
B、
didn't they
C、
do they
D、
did they
【正确答案】
D
【答案解析】
[解析] 本题对反义疑问句考查，否定式后跟肯定问句。故本题答案为D。
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