Which Is TRUE of Succulent Plants Such as Cacti or Pineapple

Which is TRUE of succulent plants such as cacti or pineapple?

A) They are C3 plants.
B) They are highly efficient at photosynthesis in cooler and wet environments.
C) They tend to undergo substantial rates of photorespiration.
D) They produce 4-carbon malate in the first step of carbon fixation.
E) They continually produce sugar, both day and night under hot arid conditions.