help pls..
Choose the proverb that completes the given sentence correctly.
Rahul has made several attempts to give up junk food, but he somehow finds himself going to the local pizzeria to get himself a pizza often. We can say that ______________.

A. you are never too old to learn
B. early to bed and early to rise makes a man healthy, wealthy and wise
C. old habits die hard
D. beggars can't be choosers