I'd say D, because that seems like a good writers strategy. To give information centered around the narrative and theme. Otherwise, A.
It should be after competitor. the colon will separate the sentence from what he has an advantage over.
cultural evening
This is to inform all the students bout our school organizing cultural evening on 2 August 2020 in compound-2 auditorium to collect funds for slums. Our cheif guest is going to be the education minister. Intrested students may submit their names to to their class teacher.
Thank you
Salim
headboy
The type of creation story is Earth diver creation in which a diver, usually a bird plunges underwater to find mud which develops life on earth hope this helps :)