Use the thesaurus entry for migrate to answer the question.
Which sentence contains another antonym for the word
migrate?
migrate
verb
Definition: to move from one place to another
Synonyms: drift, journey, rove, shift, wander
Antonyms: sojourn, stay, stop, halt
Looking for work, many unemployed people began to
roam the land.
I think I will stroll down the street to visit the Sanchez
family today.
Kit and Helen decided to remain in the small town and
open a coffee shop.
O Yuchi chose to trek across the mountains by himself
rather than with a group.

The sentence which contains another antonym for the word "migrate" is:

C. Kit and Helen decided to remain in the small town and open a coffee shop.

Explanation:

According to the definition, "migrate" means to move from one place to another. Since we are looking for an antonym, we must find a sentence that says the opposite of that, a sentence that indicates someone is staying somewhere. In that case, the only correct option is letter C. Letters A, B, and D synonyms of "migrate", that is, words that have the same meaning as "migrate": roam, stroll, and trek. Letter C, however, has "remain", which means "stay".

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