As a young man，he didn’t know that he famous later on．
A．was to become B．will become C．had become D．became
As a young man，he didn’t know that he famous later on．
A．was to become B．will become C．had become D．became
A
考查动词的时态。句意：作为一位年轻人，他不知道他后来会一定会成功。此处be+to do的形式表示将来一定。