Arthur Takes a Protein Pill Every Day for Weeks

Arthur takes a protein pill every day for weeks. Research suggests that the more positive events in Arthur's life, the

A) fewer antibodies his body will create in response to the pill.
B) more antibodies his body will create in response to the pill.
C) more pills he will need to take in order to achieve his desired results.
D) less resistant his body will be to the effects of the pill.