When Administering Nasal Spray, Which Instruction by the Nurse Is

When administering nasal spray, which instruction by the nurse is appropriate?

A) "You will need to blow your nose before I give this medication."
B) "You will need to blow your nose after I give this medication."
C) "When I give this medication, you will need to hold your breath."
D) "You need to sit up for 5 minutes after you receive the nasal spray."