Lydia would like to _____ the white house with green shutters

因该选a

虽然a和c都有装修的意思

但是a更指室内装修，c的意思更为广泛一点。
找个例子“The babies ornament her ankles, dangle from her pant legs

孩子们简直就是她脚踝的饰物，随着她的裤腿摆荡

A装饰