【题目】He was offered a position at the local church school, _____ he went to the Cambridge.
A. after whenB. since which
C. after whichD. since when
在线课程【答案】C
【解析】
考查介词+关系代词形式定语从句。句意：他被授予了一个在当地教堂的职务，在这件事后他便去了剑桥。后文发生在“He was offered a position at the local church school”之后，故用after，指代前句整件事，应用关系代词which，故选C。