Sheryl has 4 more than one-third as many pairs of shorts as Katie has. If Katie has x pairs of shorts, which expression describes the number of pairs of shorts Sheryl has?
A(1/3 - x) - 4
B3x + 4
C1/3x + 4
D4 - 1/3x
A(1/3 - x) - 4
B3x + 4
C1/3x + 4
D4 - 1/3x