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The spy ________ himself so well as an old lady that he escaped the sharp eyes of the policemen.
A、hid
B、covered
C、deceived
D、disguised
【正确答案】：D
【题目解析】：disguise 掩饰；假装；隐瞒。句意：间谍把自己伪装成一个老妇人，躲过了警察锐利的目光。