请教一道GWD数学题

Q31:

There are 8 magazines lying on a table; 4are fashion magazines and the other 4 are sports magazines.  If 3 magazines are to be selected at randomfrom the 8 magazines, what is the probability that at least one of the fashionmagazines will be selected?

A.   1/2

B.   2/3

C.   32/35

D.   11/12

E.    13/14

Answer: E

我算出来是11/14.

选1本：1/2

选2本: (1/2) × ( 3/7)=3/14

选3本：(1/2) × ( 3/7)×(2/6) = 1/14

1/2+3/14/+1/14=11/14 ,得不出13/14

谢谢！