The correct option is A Pollination → Male gamete reaches the ovule → Fertilisation → Fruit formation
Pollen contains the male gametes and ovule contains the female gamete. During pollination, pollen is transferred from anther to the stigma of the flower. After pollination, male gametes reache the ovary containing ovules. During fertilisation, male gamete fuses with female gamete in the ovule to form the fruit.