－Linda was just going out shoppingthe telephone rang.A. whileB. whenC. afterD. because

问题补充：

－Linda was just going out shoppingthe telephone rang.

A. while

B. when

C. after

D. because

答案：

A. while

(答案→)B. when

C. after

D. because

解析：连词辨析。While当……时，强调主从动作的同时发生；when当……时；after在……之后；because因为。句意：当电话铃响时，琳达正要出去购物。 when引导时间状语从句表示当…时候。故选B。