Read the passage to answer the question. four parts of the passage are numbered to you answer the question. (1) one day, lucy and tom had a picnic. (2) lucy spread a tablecloth in the grass beside the millpond it was a pretty day for a picnic. (3) all went well until lucy discovered that ants had invaded the lemonade. (4) they had also overrun the potato salad. which number marks a run-on sentence—a group of words made up of two sentences? a. 1 c. 3 b. 2 d. 4