Definition: You are given a question on philosophy. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: Parfit claims that:
(A)it is possible for an outcome to be worse for a particular person than some alternative. (B)it is possible for an outcome to be worse than some alternative. (C)both a and b. (D)neither a. nor b.

C