Which of the following IP blocks are reserved for private networks?

Which of the following IP blocks are reserved for private networks?

A.
190.0.x.x

B.
240.0.x.x

C.
127.0.x.x

D.
192.168.x.x

Explanation:
The current private internet addresses are:
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168. 255.255