Luke and His Wife,Coreen,supply Cut Flowers to Florists in Dallas

Luke and his wife,Coreen,supply cut flowers to florists in Dallas.They have been approached by a salesperson for a horticultural firm that wants to sell them a product that keeps flowers fresh for a long time.Unfortunately,the owner of the horticultural company was once very rude to Coreen and she harbors some resentment toward the owner.While Luke may want to buy the product,his wife will act as a(n) _____ in this situation.

A) influential adversary
B) actual competitor
C) potential competitor
D) sales bulwark
E) opposing implement