Which sentence has the similar meaning to the following one? Since you have to pass the exam, you had better do some revision.

A、Since you have to pass the exam, you want to do some revision.
B、Since you have to pass the exam, you don't need to do some revision.
C、Since you have to pass the exam, you might do some revision as well.
D、Since you have to pass the exam, you never do some revision.