Which sentence below is a compound sentence? a. the dog ate his dinner and vomited on the floor. c. marco was playing his guitar so gina went shopping. b. the students are studying because they have a test tomorrow. d. debra and oliver joined the gym at the same time.

C) Marco was playing his guitar so Gina went shopping.

Explanation: a compound sentence is the one that has two or more independent clauses (phrases with a subject and a predicate and that make sense on their own) with a coordinator such as for, and, or but, or a semi-colon. From the given options, the one that is an example of a compound sentence is the corresponding to option C, the first indepenent clause is "Marco was playing his guitar" and the second one is "Gina went shopping."

C) Marco was playing his guitar so Gina went shopping.

Explanation: a compound sentence is the one that has two or more independent clauses (phrases with a subject and a predicate and that make sense on their own) with a coordinator such as for, and, or but, or a semi-colon. From the given options, the one that is an example of a compound sentence is the corresponding to option C, the first indepenent clause is "Marco was playing his guitar" and the second one is "Gina went shopping."

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