【题目】Dr. Rowan, ______ secretary resigned two weeks ago, has had to do all his own typing.
A.whoseB.of whomC.of whichD.which
在线课程【答案】A
【解析】
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。