Identify the sentence with correct punctuation usage: My hobbies include: reading, knitting, and cooking.

My hobbies include: reading, knitting, and cooking.

She was tired, nevertheless, she decided to finish the project.

The conference has been postponed, thus we have more time to prepare.

He enjoys playing the guitar, he finds it relaxing.

The sentence with correct punctuation usage is:

(C) The conference has been postponed, thus we have more time to prepare.

The comma correctly separates the two independent clauses with the transitional adverb "thus," which shows the relationship between the clauses.