Mary and Jane are both very quite, but them, their younger brother Tom is quite naughty.
A. like
B. alike
C. unlike
D. with
网友回答
A. like
B. alike
(答案→)C. unlike
D. with
解析：：词义辨析。A像…一样；B形容词相似的；C不像…；D和，跟随，与…一致。句意：玛丽和Jane都非常安静，但是和她们不一样，她们年轻的兄弟Tom相当调皮。故C正确。