Helen has got it takes to be a great tennis player. In other words she has the potential

问题补充：

Helen has got it takes to be a great tennis player. In other words, she has the potential to become world famous.

A. how

B. what

C. when

D. that

答案：

A. how

B. what

C. when

D. that

解析：Got后连接的是宾语从句，what充当take的宾语，故用B。

句意：Helen 已经成为了一个著名的网球运动员。换句话说，他有潜力成为世界著名的网球运动员。