Confused in the question

    Hi all please help me in this question :-

     

    The network administrator is asked to configure 113 point-to-point links. Which IP addre

    scheme best defines the address range and subnet mask that meet the requirement and

    the fewest subnet and host addresses?

     

    A. 10.10.0.0/18 subnetted with mask 255.255.255.252

    B. 10.10.0.0/25 subnetted with mask 255.255.255.252

    C. 10.10.0.0/24 subnetted with mask 255.255.255.252

    D. 10.10.0.0/23 subnetted with mask 255.255.255.252

    E. 10.10.0.0/16 subnetted with mask 255.255.255.252

     

    why not the answer C is correct why D.

    and one more my exam in on 8/10/2011 any suggestion