in a white uniform, he looks more like a cook than a doctor.

A.Dressed

B.to dress

C.Dressing

D.Having dressed

答案及解析： A

解析：

考察形容词用法。Be dressed in…穿着…;本题是形容词短语说明he的状态。句意：穿个白色的制服，他看起来与其说像医生不如说像厨师。