选择题

2011 AMC 8 Problem 12: Opposite Seats

Angie, Bridget, Carlos, and Diego are seated at random around a square table, one person to a side. What is the probability that Angie and Carlos are seated opposite each other?

A.
1/4
B.
1/3
C.
1/2
D.
2/3
E.
3/4