Select the incorrect statement regarding pressure flow hypothesis.

• A

  The process of loading at the source produces a hypertonic condition in the phloem.

• B

  Active transport is necessary to move the sucrose out of the phloem sap.

• C

  At the sink, loss of solute produces a low water potential in the phloem.

• D

  Loading of the phloem sets up a water potential gradient that facilitates the mass movement in the phloem.