Which answer choice best combines the following sentences with a coordinating conjunction? David won last year's spelling bee. He also won first place in the talent show.
A. David won last year's spelling bee he also won first place in the talent show.
B. David won last year's spelling bee; he also won first place in the talent show.
C. David won last year's spelling bee, and he also won first place in the talent show.
D. David won last year's spelling bee, and he also won first place in the talent show.