题目内容：
根据下面资料，回答题 December 25th is Christmas Day. Many Americans are busy with Christmas and the winter holiday seaSon. Buying a Christmas tree is one important part of the holiday. Christmas trees come in all shapes(形状) and sizes. Maybe the most famous is the large Christmas tree near the White House in Washington, D.C. If you believe that Christmas trees come from forests(森林), you are wrong; most trees are carefully grown on farms. Farmers plant and sell Christmas trees just as they grow fruits or vegetables. About thirty-three million Christmas trees are Sold in North America each year. It can take as many as fifteen years to grow a tree as high as two meters, but the growing time is usually seven years. Farmers care for the young trees until they are about three to five years old. Then farmers plant them again in fields. Farmers cut the highest part of the trees when they do not want them to grow too fast. They alSo cut other parts of the trees while the trees are growing. This gives the trees the shape that people will like.
Americans are happy with Christmas gifts. A．Right
B．Wrong
C．Doesn't say
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