Yes if it is not your work then it is plagiarism to copy and say you did it. you always want to rephrase your work. (:
Explanation:
what were you doing when i called.
<span>B) Since passengers on the train are unable to exit and reenter at the city stops.
This is a dependent clause, a fragment by itself.
C is a complete sentence - subject (the train) and verb (can be) and modifier (a convenient way to travel). </span>
Answer:
c went to the store for bread and milk