I am willing to have her again our new flat and I her that but it must be up to her own

问题补充：

I am willing to have her again our new flat and I her that, but it must be up to her own decision.

A. decorating; will tell

B. decorate; will tell

C. decorate; tell

D. decorated; tell

答案：

A. decorating; will tell

(答案→)B. decorate; will tell

C. decorate; tell

D. decorated; tell

解析：have sb do sth “使某人做某事”，have sb doing sth “让某人一直做某事”， 这里有again一词，强调动作，不强调状态和持续性。全句意为：我愿意再让她为我们装饰新房子，我们也将告诉她那一点，但那必须是她自己的决定。