I swear I cant understand simple grammer Please answer this...
Which sentence uses a dependent clause to correctly combine these two sentences?

James was at the top of the key. He made the game-winning basket.
A Because James was at the top of the key, he made the game-winning basket.
B James was at the top of the key and made the game-winning basket.
C Because James was at the top of the key, so he made the game-winning basket.
D James was at the top of the key; he made the game-winning basket.