[单选题]
The diagram below shows a simple apparatus whiq ex* 2(wh9zbqch uses a porous pot to uz;pl/ yb5jvi6g.cc4 model water transpcpy5lj.gz/6vi4c b ;uort 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.
