Beth and Jenna walked toward the water. The lake was a mirror. In it, they could see every detail of the sky above them. It was difficult to know where the water ended and the sky began. A. The lake was covered with ice that could break into pieces like a mirror. B. The lake was so calm and clear that it reflected the surroundings like a mirror. C. The lake was covered with a reflective material that looked like a mirror. D. The lake was fragile, and the ecosystem could easily be destroyed like a mirror.