Question

-- ______ made Daisy wild with joy?

-- Her success in the A-level exam this year.

1. A.
   How was it that
2. B.
   When was it that
3. C.
   Why was it that
4. D.
   What was it that

Answer 1

D
考查特殊疑问句的强调句型。结构为：疑问词+ is/was+ it + that,根据句意究竟是什么使黛西欣喜若狂呢？所以应用What was it that，选D。