Taking charge of the big company I’m afraid is his abilityAfter all it is only three

问题补充：

Taking charge of the big company, I’m afraid, is his ability．After all, it is only three years since he graduated.

A. beyond

B. within

C. of

D. to

答案：

(答案→)A. beyond

B. within

C. of

D. to

解析：考查介词的用法，句意:恐怕管理这家大公司超出了他的能力，毕竟，自从他毕业只有三年的时间。beyond his ability 超出了他的能力，所以选A。