单选题
A Frenchman came to London to study English. He lived at his English friend"s home. He worked hard at his lessons. Every morning he often did some reading by the window be- fore he went to class.
His friend, Grant, liked to keep birds. Every day, early in the morning, he took his birds out of tile room. Sometimes he hung his cage (笼) on a tree in his garden or sometimes on his windows upstairs.