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。

B

    Look at the clothes line in the twins' bedroom. There are some clothes on it.

    You can see a green blouse(衬衫), a yellow skirt(短裙) and a pair of trousers(裤子). The trousers on the clothes line are black. They are not new but clean.  

    Are they Lily's clothes? No. I know they are Lucy's. Lily's clothes are on a clothes tree near one bed in their room. Trousers are brown, her blouse is white and her skirt is blue.

    There is a new hat on the clothes tree, but it's not Lily's. It's Lucy's.

    There are no clothes on the other(另一) bed, and the bed is Lily's.