At one pointI made up my mind to talk to Uncle Sam.Then I changed my mind,that he could do
问题描述：
At one pointI 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
不好意思,忘打空格了,空格在that前面~
答
主谓一致,谁意识到了呢?是I,为主语.既是changed my mind的主语,又是realize的主语