What is the correct way to summarize these different routes into a single route?

What is the correct way to summarize these different routes into a single route?

A.
10.0.0.0/8

B.
10.10.0.0/16

C.
10.10.0.0/22

D.
10.10.3.0/22

E.
10.10.1.0/22

Explanation: