The cactus has a specialized fleshy stem, and its leaves function only for protection. Which plant tissue most likely makes up the stem?

A. apical

B. dermal

C. ground

D. vascular

I think the correct answer from the choices listed above is option D. It is the vascular tissue that most likely made up the stem of the cactus which h as a specialized fleshy stem for protection. Hope this answers the question. Have a nice day.