Cena has a bag of \(6\) candies, \(4\) of which are sweet \(\&\) \(2\) of which are sour. Cena picks two candies simultaneously \(\&\) at random. What is the chance that exactly \(1\) of the candies he has picked is sour?
A. \(3/5\)
B. \(7/18\)
C. \(8/15\)
D. \(4/10\)
E. \(5/12\)
OA C