Mr. Wang is so friendly to his students that he is their friend.A dressed up B regarded as

问题补充：

Mr. Wang is so friendly to his students that he is their friend.

A dressed up B regarded as C looked like D looked at

答案：

解析：短语辨析。Dress up装饰，打扮；regard as把……认作；look like看起来像……；looked at看。句意：王老师对他的学生们是如此友好，以至于他被当做他们的朋友。结合语境可知选B。