新概念3 the noise had been so faint that no one thought that the ship had been damaged 为么要用过完
问题描述：
新概念3 the noise had been so faint that no one thought that the ship had been damaged 为么要用过完
答
因为站在过去人的角度上讲,这个船的噪声是对他们而言的过去持续状态,所以是“过去的过去”,用过去完成时