Gymnosperms typically reproduce by pollination

In Gymnosperms, the cone is the female reproductive part and the pollen is the male reproductive part. Pine trees and other Gymnosperms produce two types of cones. The male cone is called the pollen cone. The larger female cone is called the seed cone.

Cand d are correct because the rest are just showing your mistakes and you don’t want people who are reading a summary you wrote to see all the mistakes you made.