You Like Bundle a Better Than Bundle B,and Bundle C

Essay

You like bundle A better than bundle B,and bundle C is an average of bundles A and B.Which of the following is correct if your tastes satisfy our usual assumptions?
a.
Bundle C is at least as good as bundle B.
b.
Bundle A is at least as good as bundle C.
c.
Both (a)and (b).
d.
None of the above.
e.
There is not enough information to tell.