Given below are two statements about the ascent of sap in plants.
$Statement-I$: Under normal conditions, the sap in the xylem cells shows negative hydrostatic pressure.
$Statement-II$: It also shows high osmotic pressure.
In the light of the above statements, select the correct option given below:

• A
  Both $Statement-I$ and $Statement-II$ are correct
• B
  Both $Statement-I$ and $Statement-II$ are incorrect
• C
  $Statement-I$ is correct but $Statement-II$ is incorrect
• D
  $Statement-I$ is incorrect but $Statement-II$ is correct