- - A: Who's.
Who's=Who is.
Who is selecting the music for the concert. < This is correct.
Final answer: A
☆ Korey
Explanation:
I am fine and uh? are you fine too?
Noting a relationship between actions or events such that one or more are the result of the other or others. It's a vast subject so we can get into specifics if you know exactly what you want...maybe examples of cause and effect
The answer for this would be “B”