Martin Was Trying to Sell Pumps for Circulating Water in Goldfish

Martin was trying to sell pumps for circulating water in goldfish ponds when he realized the reason he was not having much luck was due to the weight of the model he was trying to sell. He approached the firm with the idea to convert every possible part on a pump from metal to a hard plastic. That way the pump would be lighter weight and better meet customers' requirements. As the ____, Martin saw the project from its conception all the way through to the development of a lighter model pump.

A) change agent
B) alteration initiator
C) adjustment moderator
D) alteration agitator
E) idea champion