18. Read each sentence, and decide whether the underlined portion contains a mistake. If it does, identify the best way to correct or improve the sentence by choosing the appropriate suggestion from the answer choices provided. If the underlined portion requires no correction or improvement, choose No improvement or correction is required.

When Dean Arnold was a child, he dislike politics, but as a grown man, he loves them.
(Points : 2)
When Dean Arnold were a child, he dislike politics

When Dean Arnold was a child, he disliked politics

When Dean Arnold was a child, he disliking

When Dean Arnold is a child, he dislike politics

No improvement or correction is required.