.He is really an excellent doctor and he is _____ to becoming an expert in this

题型：不详难度：来源：

.He is really an excellent doctor and he is _____ to becoming an expert in this field.

A．in a way

B．by the way

C．on the way

D．under the way

答案

C

解析

短语辨析。in a way在某种程度上； by the way 顺便说说；on the way 在途中，正要成为；under the way在……方式下。句意：他是一个真正不错的医生，并且他正在成为这个领域的专家。故选C。