It is stated that CAM-respiring plants are more likely to have a relatively steady output of oxygen throughout a normal 24 hour day then C3-respiring plants. Which of the following supports the statement?

A. C3 plant cells contain significantly fewer Cloraplasts then CAM plants.

B. C3 plants and take oxygen for respiration during periods of arid conditions to prevent water loss, we'll see a.m. plants are able to intake only carbon dioxide. 

C. CAM plants can store carbon dioxide for you stirring. When their stomata are closed, while C3 plants cannot.

D. Photosynthesis in C3 plants at her only in inter leaf cells, well photosynthesis and can plants occurs in a leaf cells.