The man dressed jeans is an expert unlocking doors and he can open a door difficulty.
A. in, on, with
B. on, at, with
C. in, on, without
D. in, at, without
网友回答
A. in, on, with
B. on, at, with
C. in, on, without
(答案→)D. in, at, without
解析：考查介词：第一空是be dressed in穿着，第二空be an expert at是…的专家，第三空without difficulty，毫不费力的，句意是：穿着牛仔裤的人是解锁专家他能毫不费力的开门。选D。