While eating dinner, your partner suddenly grabs his throat and has a panicked look on his face. He has a weak cough, faint inspiratory stridor, and cyanosis around the lips. You should:a. stand behind him and administer abdominal thrusts.b. encourage him to cough as forcefully as he can.c. deliver up to five back blows and reassess him.d. place him in a supine position and open his airway. I