【题目】As a new graduate, he doesn’t know ___________ it takes to start a business in his hometown.
A. how B. when
C. what D. which
在线课程【答案】C
【解析】考查宾语从句。句意：作为新毕业生，他不知道在家乡创业需要具备什么。what it takes to start a business here是what引导宾语从句，作主句动词know的宾语，并在从句中作takes的宾语，表示“什么”。故选C。