Correct option is C
The correct improvement for the highlighted part of the sentence
"Some people like to watches television all day" is
"like to watch."
· The infinitive form "to watch" is correct following the verb "like," which should be in its base form to agree with the plural subject "people."
·
Grammatical rule: After modal verbs and verbs like 'like,' 'love,' etc., the base form of the verb is used.
· Example: Many people like to relax by watching television, using the correct form "like to watch."