What Happens to CO₂ When It Moves into the Stroma

What happens to CO₂ when it moves into the stroma?

A) It gets incorporated into the Calvin cycle and goes toward the formation of glucose.
B) It is converted to water.
C) It immediately passes on to the thylakoids.
D) The CO₂ becomes a by- product of cellular respiration.
E) The CO₂ splits into C and O₂.