A. They sang it, and sang it again.
B. They tried, although they didn't expect to win.
C. With the proper help, they'll complete the project early.
D. Running all the way, he got there early.
The correct answer is C. With the proper help, they'll complete the project early. This sentence contains a prepositional phrase since the word "with" is a preposition. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
