阅读下列短文，从每题所给的四个选项(A、B、C 和 D)中选出最佳选项。

This is a picture of Andrew and Alan. They are twins(双胞胎). They look the same, but they are very different. Andrew's favorite color is black, but Alan likes purple best. Look at their bedroom. The two beds look the same. This bed is Andrew's. It is near the window. That one is Alan's. It's behind the door. Andrew's things are everywhere on the bed, but Alan's bed is very tidy. The twins have one desk and two chairs. Their clock, books and pencils are on the desk. Their schoolbags are on the chairs. Andrew likes playing computer games, and he always plays them in their bedroom. For Alan, he likes reading very much, so he always goes to the library with his friends.