Why Is Photorespiration More of a Problem for a Plant

Why is photorespiration more of a problem for a plant when their stomata are closed?

A) Oxygen levels increase from photosynthesis and compete with carbon dioxide for rubisco's active site.
B) Carbon dioxide levels increase from photosynthesis and compete with oxygen for rubisco's active site.
C) Water is lost when the stomata are open and is not available to accept electrons from Photosystem I.
D) Oxygen cannot enter the leaf, blocking normal respiration, so the plants switch to photorespiration.
E) Glucose cannot leave through the stomata and levels increase inside of the plant cell, causing dehydration by osmosis.