Most people buy a lot of gifts just before Christmas. But some people think we buy too much. They have started a special day called Buy Nothing Day. They don’t want anyone to go shopping that day.Buy Nothing Day is November 29. It’s 25 days before Christmas. The idea for Buy Nothing Day started in Vancouver, British Columbia. Now people all over the world celebrate Buy Nothing Day. In California, parents and children get together to read stories, sing songs, and paint pictures. The children talk about why they don’t need a lot of toys. This year in Albuquerque, New Mexico, high school students wanted to tell other students about Buy Nothing Day. They organized a simple dinner to give people information about Buy Nothing Day. They asked restaurants in the neighborhood to donate the food. They made posters and talked to other students about it. The dinner was a big success, and many students agreed not to buy anything on November 29. The students at high school liked the idea of this new tradition. Next year, they want to have another dinner to inform more people about Buy Nothing Day!（1~5题共用题案，此条下方为第一题）Some people start Buy Nothing Day because they think_________.
选项：

A: people need more time to do other things
B: people buy too many gifts for Christmas
C: people can hardly afford to buy a lot of gifts.
D: people waste too much time going shopping