Had he her promise, she would have made it to Yale University.
A. looked up to
B. lived up to
C. kept up with
D. e up with
网友回答
A. looked up to
(答案→)B. lived up to
C. kept up with
D. e up with
解析：考查动词短语的意思， A. looked up to 尊敬 B. lived up to 不辜负
C. kept up with 跟上 D. e up with 提出
原句：if he had lived up to her promise,she would have made it to Yale University.
过去虚拟句的省略。