It is the ability you have matters not where you graduate from or what you look like.A.

问题补充：

It is the ability you have matters, not where you graduate from or what you look like.

A. which

B. that

C. what

D. it

答案：

A. which

(答案→)B. that

C. what

D. it

解析：考查强调句。强调句的结构为：It is (was) 被强调部分+ that (who) + 句子其他部分。 此结构强调的成分仅限于主语,宾语和状语。句意：是你的能力重要，而不是你毕业于哪里或你的长相。故B正确。