Megasporogenesis and female gametophyte development

2023 Manipur 1 question

1. In angiosperms the correct sequence of events in formation of female gametophyte in the ovule is: (A) 3 successive free nuclear divisions functional megaspore. (B) Degeneration of 3 megaspores. (C) Meiotic division in megaspore mother cell. (D) Migration of 3 nuclei towards each pole. (E) Formation of wall resulting in seven celled embryosac. Choose the correct answer from the options given below: