bathrobe 是hold的宾语,around her修饰bathrobe,所以是宾语补足语。behind them 修饰lock,但是与前面的动词pull没有关系,因为不管pull不pull,lock都behind them,所以,behind them 是lock的后置定语,此句可改写成pulling the lock behind them shut.
回答于 2022-08-24 22:48