your composition is full of mistakes.A. Writing carelesslyB. Written carelesslyC. Having

问题补充：

, your composition is full of mistakes.

A. Writing carelessly

B. Written carelessly

C. Having written carelessly

D. Being written carelessly

答案：

A. Writing carelessly

(答案→)B. Written carelessly

C. Having written carelessly

D. Being written carelessly

解析：考查非谓语动词。句中逻辑主语your composition，与write之间的关系为被动关系，用过去分词，故选B