John was very excited about his upcoming vacation to the beach. He planned to swim and play on the beach all day. However, the day after he and his family arrived, it started to rain. Unable to go to the beach, he and his family sat at the kitchen table and played cards and board games all day. John was sad that he didn't get to go to the beach, but he had so much fun playing with his family that he soon forgot his disappointment. The next day the sun came out and he and his family spent the day playing on the beach.
Which statement BEST concludes this paragraph?
A) John realized he would rather play games inside than outside.
B) John realized a vacation to the beach can include fun indoor games. C) John realized he did not like the beach, so he asked to go to the mountains the next year.
D) John realized vacations do not always turn out exactly as planned, but can still be lots of fun.