Question

—Do you know ____ made him successful in his career?

—Yes. His hard work and determination, of course.

A. what it was that

B. what was it that

C. it was what that

D. was it what that

Answer

A

【解析】句意：---您知道是什么使他获得职业的成功的吗？是的，当然是他辛勤的工作和决心。空后是know的宾语从句，宾语从句使用的是强调句型。强调句型的结构是It is/was+被强调部分 + that +不被强调的部分。该结构的疑问句结构是Is/Was it +被强调部分 + that +不被强调的部分? 该结构的特殊疑问句结构是：特殊疑问词+ is/was+被强调部分 + that +不被强调的部分? 该宾语从句中强调的是疑问词what，从句应用陈述语气，故判断选A。