问题
选择题
At one point I made up my mind to talk to Uncle Sam. Then I changed my mind, ______ that he could do nothing to help.
A．to realize
B．realized
C．realizing
D．being realized
答案
答案：C
考查非谓语动词。主语I和realize之间是主谓关系，且realize和change这一动作几乎同时发生，所以选C。