A mini-cone has a diameter of 3 inches and holds 10 in3 of ice cream. A mega-cone holds 49.13 in3 of ice cream. If the cones have the same height, what is the diameter of the mega-cone?
A. 6.65 in.
B. 4.27 in.
C. 3.32 in.
D. 2.55 in.