问题
选择题
I______toward the door to go outside when suddenly Jim opened it.
A．was walking
B．walked
C．hadwalked
D．walk
答案
答案：A
题目分析：句意：我正朝门口向外面走这时突然吉姆打开了门。从when suddenly Jim opened it.可知当吉姆打开门的时候，我正朝外面走，所以用过去进行时，选A。
