从右栏中找出左栏的答语，将序号填在括号内。
(1)Who’s this？                          A It’s Li Shan’s skirt.
(2)Whose skirt is it？                   B They are Kitty’s socks.
(3)Whose socks are these？                C This is my mother.
(4)What’s this？                        D This is a pen.
(5)Is this your sweater？                E No，it isn’t.