Which story problem COULD not be solved with a expression 3 1/2 x 1/3?

A.The length of the base of a box is 3 ½ feet. The width of the base is 1/3 of a foot.
B.Prentice buys 3 ½ gallons of iced tea. He drinks 1/3 of what he bought. How much iced tea did he drinks?
C.Glenda has 3 ½ cups of flour in her pantry. She uses 1/3 of acup to make cookies. How much flour does she have left?
D.Maya baked 3 ½ pans of brownies. She brought 1/3 of the brownies to school for a bake sale. How many pans of brownies did she bring?