Which of the Following Occurs During the Calvin Cycle of Photosynthesis

Which of the following occurs during the Calvin cycle of photosynthesis?

A) Nothing occurs because the plant rests in the dark.
B) Carbon dioxide is converted to chemicals that can be used to make sugars.
C) Water is converted to its most basic elements, hydrogen and water.
D) Chlorophyll acts as an enzyme, but only in the dark.