[单选题]
The diagram below shows a simple ap/nos 9 ,yqeh,ve bkm6(paratus which uses a porous pot to m.weap6z n- 2gz3h lwdsn(w i-:odel water transpora sn pwg6(l -3:e2i-.whnwzz dt 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.
