you can’t pass the exam?A. What aboutB. What whetherC. What ifD. What to do

问题补充：

you can’t pass the exam?

A. What about

B. What whether

C. What if

D. What to do

答案：

A. What about

B. What whether

(答案→)C. What if

D. What to do

解析：What about ……怎么样； What whether是否；What if假使……将会怎么样；What to do 做什么。句意：假使你不能通过考试，将会怎么样？故选C。