Which of the following is a run-on sentence? A. Marvin bought the house next to us. He moved in yesterday. B. Marvin bought the
house next to us, and he moved in yesterday. C. Marvin bought the house next to us, he moved in yesterday. D. Marvin bought the house next to us; he moved in yesterda
I don't believe that any of these are run-on sentences. This is because they all possess some form of punctuation, which creates a small to moderate oause in the sentence, allowing for the person reading to breathe in between, and preventing a run-on sentence.