Answer:
Either A. or C.
Step-by-step explanation:
B. is kind of rude so I wouldn't say that
D. is one of those things that "sounds like a personal problem"
E. sounds really fake
A. is really honest and thus a good plausible answer
C. is a real problem because bosses understand that you need a certain amount of money to make a living and you may not feel that the amount your getting is worth your effort.