[单选题]
The diagram below shows a simple apparatus which uses a +a6.qu6 mg8qngcwo ,k porous pot to mo*.pyhauwop*; (num-il)h2 n d del water transport in plp-w ho;idp2u um*ynn*a h.)l (ants.
Why is a porous pot used to model water transport in the xylem?
A. It allows water molecules to flow down the capillary tube to represent water moving from leaves to roots.
B. It allows water to leave the pot through the pores, which represents water evaporating out of the stomata.
C. It represents the thick, lignified walls of xylem vessels.
D. It generates adhesion and cohesion for transporting water inside plants.
