Which of the following is written correctly? A. I explained that we would need to buy: some party supplies balloons, streamers and candles, and a cake.
B. I explained that we would need to buy some party supplies; balloons streamers and candles and a cake.
C. I explained that we would need to buy some party supplies: balloons, streamers, candles, and a cake.
D. I explained that we would need to buy some party supplies, balloons, streamers, and candles and a cake.​