13. In the first paragraph, the author describes the stillness of the Sargasso Sea as the Cramer passes through it primarily to emphasize that the stillness:

  • A. won’t last long, for the sea will become rough when the wind rises.

  • B. makes it easy for a passenger on the Cramer to spot oceanic islands that break the water’s surface.

  • C. is in dramatic contrast to the power of what exists on and under the seafloor far below.

  • D. makes it seem as if the Cramer’s wake is