The subnet mask for a particular networkis 255.255.31.0 Whichof the following pairs of IP addresses could belong to this network?

A

172.57.88.62 and 172.56.87.23

B

10.35.28.2 and 10.35.29.4

C

191.203.31.87 and 191.234.31.88

D

128.8.129.43 and 128.8.161.5