"Radical" is related to "Moderate" in the same way as "Revolution" is related to .. ?

Answer: Option B

Explanation:

First is moved with the help of second.

Answer: Option B

Answer: Option D

Explanation:

Second is a part of first.

Answer: Option D

Explanation:

First is used to transport in second.

Answer: Option A

Explanation:

Words in pair are opposite to each other.