Syngamy and triple fusion is called ... $A$... The central cell becomes ...$B$... develops into ...$C$... and zygote develops into ...$D$...

$A, B, C, D$ in the above statement are

• A

  $A-Fusion, B-haploid, C-diploid cell, D-embryo$

• B

  $A-double fertilization,\; B-PEN, \;C-endosperm,\; D-embryo$

• C

  $A-embryo,\; B-endosperm, \;C-PEN, \;D-diploid cell$

• D

  $A-PEN, \;B-endosperm, \;C-syngamy,\; D-fertilisation$