I'm not sure but I think the answer would be A
This would be classified as the informal part of the email. See the words "Hey There" etc
No never similar
Casting in the theatre is a type of enjoy . There's no major stress at all .Even if casting goes fail you can still improve.
But when we pick someone for job we need to measure each and every manners because that defines our future of team
Difficult is the word that stress differently