单项选择题

地址172.16.208.16/20是下面哪个网段中的主机地址?()

A.172.16.176.0,255.255.240.0
B.172.16.192.0,255.255.240.0
C.172.16.208.0,255.255.240.0
D.172.16.224.0,255.255.240.0