The narrator or first person POV
There are at least two errors in the sentence.
1. The word separate is spelled wrongly. It should read <em>separate</em> and not seperate.
2. There is no period at the end of the sentence.
The sentence should not be written in capital letters only either.
Answer by YourHope:
Hi! :)
Task: Select the correct subordinating conjunction to complete the sentence.
Answer: D) Whatever!
Your answer looks like this now: Whatever he did to study for the final exam must have been helpful; his grade improved from a B to an A!
Have a BEAUTIFUL day~
I think it is A I am not sure tho