---What’s the of success?---First of all you have to know for sure what you really want.

问题补充：

---What’s the of success?---First of all, you have to know for sure what you really want.

A. secret

B. difference

C. agreement

D. experience

答案：

(答案→)A. secret

B. difference

C. agreement

D. experience

解析：句意：成功的秘密是什么？-首先，你必须弄清楚你真的想要什么。A秘密B区别C同意，意见一致D经历。结合句意故选A。