--He must have received a good education in his childhood, he?
-- , he is polite and well-behaved and acts like a gentleman.
A. didn’t; Yes
B. has; Yes
C. has; No
D. didn’t; No
网友回答
(答案→)A. didn’t; Yes
B. has; Yes
C. has; No
D. didn’t; No
解析：由must have done构成的反义疑问句，并且有过去的时间状语in his childhood，所以用did构成反义疑问句，主句是肯定的，疑问句用否定形式。故选A。句意：他儿童时期一定接受过良好的教育，不是吗？——是的，他有礼貌，举止文雅像是个绅士。