—Is this your book Alice? —Yes it is book. Thank you.A. mineB. IC. meD. my

问题补充：

—Is this your book, Alice? —Yes, it is book. Thank you.

A. mine

B. I

C. me

D. my

答案：

A. mine

B. I

C. me

(答案→)D. my

解析：句意：爱丽丝，这是你的书吗？是的，它是我的书，谢谢你。my book我的书=mine.故选D