Taking zinc for a cold in an experiment showed an 85% improvement in cold symptoms. Taking vitamin C for a cold showed a 25% improvement in cold symptoms. Taking Echinacea for a cold showed a 50% improvement in cold symptoms. Given this information, chose the best response below.

(A) You would do best put your money into developing zinc as a cold remedy
(B) You would do best put your money into developing vitamin C as a cold remedy
(C) You would do best put your money into developing Echinacea as a cold remedy.
(D) You don't have enough information to choose a product, because we don't know what happened to the control group each experiment.