It cost 3 times more to feed a cat per week than than it does a rabbit per week and half as much to feed a hamster per week than it to feed a rabbit per week. If it cost $2.00 to feed a hamster per week, how much does it cost to feed a cat for 3 weeks

A. $9.00

B. $48.00

C. $36.00

D. $84.00

E. $25.00

F. $12.00