问题补充：
The patient looks much better .
-------is it that has made him he is today ?
A. what ; that
B. That ; that
C. What;which
D. What;what
答案：
A. what ; that
B. That ; that
C. What;which
(答案→)D. What;what
解析：强调句型的特殊疑问句形式为：特殊疑问词+be +it+ that+其它？故第一空填what,第二空做is 的表语，故填what ,句意：——病人看起来好起来好多了。——是什么使他成为今天这个样子
