The sweater is beautiful on you.---Thank you. I will take A this B that C it D them

问题补充：

--- The sweater is beautiful on you.

---Thank you. I will take

A this B that C it D them

答案：

解析：考查情景交际。“你穿着件毛衣真好看。”“谢谢！我买了。”take在此是“买”的意思。The sweater是单数，故用it来指代。故选C。