Self-incompatibility is a device for

$I$. Ensuring cross-pollination

$II$. Preventing self-pollination

$III$. Ensuring self-fertilisation

$IV$. Genetic control for self-fertilisation

Choose the correct statements from those given above

• A

  $I, II \;and \;III$

• B

  $I, II \;and \;IV$

• C

  $I, III \;and\; IV$

• D

  $I, II, III \;and\; IV$