Exposed to sunlight ---> Increased use of CO2 ---> ?

You are studying plants and your teacher has made a flowchart for a leaf. What phrase, if placed in box X, would correctly complete the flowchart above?

A. Increased amount of food production in the leaf because more carbon dioxide will increase the amount of photosynthesis occuring in the leaf.

B. Decreased amount of food production in the leaf because more carbon dioxide will increase the amount of photosynthesis occuring in the leaf.

C. Increased amount of food production in the leaf because more carbon dioxide will decrease the amount of photosynthesis occuring in the leaf

D. Decreased amount of food production in the leaf because more carbon dioxide will decrease the amount of photosynthesis occuring in the leaf.