问题
选择题
．—What do you think made hi m so excited?
—_________a scholarship to Harvard, I suppose.
A．He has won
B．Winning
C．Because of winning
D．Because he has won
答案
答案：B
考查动名词做主语，句意：什么让他这么兴奋？--我猜是获得哈佛大学的奖学金。可知回答的what的内容，就是主语，用动名词。选B。