In a teacher's room Tim=.......,Sir? Mr.John=It's alright.Can i help you,Tim? Tim=Yes.I Just want to ask your permission. A.hello B.There,you are C.Good Morning

In a teacher's room
Tim=.......,Sir?
Mr.John=It's alright.Can i help you,Tim?
Tim=Yes.I Just want to ask your permission.
A.hello
B.There,you are
C.Good Morning
D.Sorry to bother you