literally no one has answered my question earlier and its not even a joke or nothin like this assignment do in a couple mins and i still dont got no answer so somebody answer the question pls dam

Which sentence contains a comma splice? marco rode to school on his bicycle this morning, he arrived an hour early.marco, who enjoys riding his bicycle to school, arrived just before the bell today.marco rode to school on his bicycle on monday, tuesday, and wednesday.marco, who rode to school on his bicycle this morning, arrived an hour early.mark this and returnsave and exit