If 8 boys meet at a reunion and each boy shakes hands exactly once with each of the others, then what is the total number of handshakes	Choose the correct choice from the following options:
A) 41
B) 28
C) 43
D) 44
E) 45

Rationale: "n ( n - 1 ) / 2 = 8 * 7 / 2 = 28 answer : b"
Answer: B