It is enough to ________ the tree. Tell him not to ________.

A.cut down, cut it up,

B.cut down, cut up it,

C.cut up, cut down it,

D.cut up, cut it down.

答案及解析： A

解析：

cut down表示“砍倒”，而cut up表示“砍碎”；

根据句意应为：“把书砍倒就够了，告诉他不要砍碎了”．