Which of these is a run-on sentence?
A. You and I and the whole team will go.
B. Before lunch, I played volleyball; after lunch I did again.
C. I went home and ate and ate.
D. I thought about what he'd said soon I realized he was right.
A run-on sentence is a sentence which uses punctuation marks incorrectly. The correct answer then is D) I thought about what he'd said soon I realized he was right. There should be a semicolon (;) or a dash (-) between said and soon.
