If 3^x = 54, then which of the following must be true?
A1 < x < 2
B2 < x < 3
C3 < x < 4
D4 < x < 5
E5 < x
A1 < x < 2
B2 < x < 3
C3 < x < 4
D4 < x < 5
E5 < x