6.Dr. Rowan, ______ secretary resigned two weeks ago, has had to do all his own typing.

A. whose  B. of whom  C. of which  D. which

【答案】A

司公4e33技根法件4a7f根元软秀学慧46034a78途f0b07cb1智西科bf99东-广优82566ff6网4869有升4e87限习学【解析】

【详解】

考查定语从句。

句意:罗文博士的秘书两周前辞职了，他现在只能自己打字。______ secretary resigned two weeks ago是非限制性定语从句，修饰Dr. Rowan，引导词在从句中作定语，表示”Dr. Rowan’s “，表示”……的”，应用关系代词whose引导该从句，故选A。