问题补充：
We had not waited she came.
A. long before
B. before long
C. after long
D. soon after
答案：
(答案→)A. long before
B. before long
C. after long
D. soon after
解析：句意：我们没等多久她就来了。这里的long是副词，修饰wait，before是连词，这里翻译成“就”，B. before long 不久以后，C. after long过了很久，D. soon after很快，选A。
