[单选题]
The diagram below shows a potometer whicu8ngc d plhcd tu66 l2e2 nl8-7(ixl:nhvtqi0bt 1.zlmdtj/( - is used to measure water uptake in plants.
q0 .dv (/l-b 1zjmttit A plant cutting was placed in the potometer as shown above. What changes would be observed after a few hours?
A. The water in the reservoir will increase.
B. The bubble will move right towards the direction of the beaker.
C. The bubble will move left towards the direction of the plant.
D. The water level in the beaker will rise.