Choose the correct sequence representing the ploidy of Nucellus; Megaspore mother cell; Megaspore; Egg cell; Zygote; A polar nucleus of embryo sac; Secondary nucleus and Primary endosperm nucleus.

• A

  2n; 2n; n; 2n; n; 2n; 3n; and 2n

• B

  2n; 2n; n; n; 2n; n; 2n; and 3n

• C

  2n; n; n; 2n; 3n; 2n; n; and 3n

• D

  n; 2n; 2n; n; 2n; n; 2n; and 2n