— Do you think the rain will affect the results of the football game?  

— Well, the players are used to such rainy weather, so it shouldn't make any _____ to them.  [ ]

A. difficulty        

B. difference          

C. trouble            

D. sense

商场有电视机m台，每台进价为a元，售价b元，若全部出售，共可获利（    ）元。