[单选题]
The diagram below showq89 puo3/f-q0eqw zz is a simple n44-cmwvye89 im, muqapparatus which uses a porous pot to model water transportnciuv48my we- qmm9 4, in plants.
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.
