问题补充:
----he dropped out of school?
----His family has run into financial difficulties.
A. Why was it that
B. Why was that
C. Why was that it
D. Why was it
答案:
(答案→)A. Why was it that
B. Why was that
C. Why was that it
D. Why was it
解析:考查强调句。根据句意,考查强调句的特殊Why was it that,故选A。