Suddenly I realized that there was dead silence except for our zipping.

Suddenly I realized that there was dead silence except for our zipping. A: 突然间，我意识到周围一片静寂，只有我们发出的吱吱声。 B: 突然间，我意识到周围一片死的沉默，只有我们发出的吱吱声。 C: 突然间，我意识到周围一片静寂，只有我们拉拉链的声响。