4. Which of the following sentences is a compound sentence?

A.Charlie said it’s cold outside but hot in his bedroom.
B.Jared enjoys eating eggs and bacon for breakfast.
C.Sierra can’t decide between the blue and the black shoes.
D.Thomas is meeting us at the park, and Heather is coming later.

I think it is D...?

Correct.

You're right.

Thank you...both

Yes, you are correct. Sentence D, "Thomas is meeting us at the park, and Heather is coming later," is a compound sentence.

A compound sentence is a sentence that consists of two or more independent clauses joined by a coordinating conjunction (such as "and," "but," or "or").

In this sentence, the independent clauses are "Thomas is meeting us at the park" and "Heather is coming later." They are joined together by the coordinating conjunction "and," making it a compound sentence.