A network with n points and a segment joining each point to every other point is called a complete network of size n. If k is the number of segments in a complete network of size n, which of the following is the number of segments in a complete network of size n + 1?

A. k + n

B. k + n + 1

C. k + n + 2

D. k + 2n + 1

E. k + 2n + 2