Which default gateway address should be assigned to HostA?

Refer to the exhibit.

Which default gateway address should be assigned to HostA?

A.
192.168.1.1

B.
192.168.1.65

C.
192.168.1.66

D.
192.168.1.129

E.
10.1.1.1

F.
10.1.1.2

Explanation: