If Asthma Symptoms Persist After Administering a Client's Bronchodilator,what Action

If asthma symptoms persist after administering a client's bronchodilator,what action should be taken?

A) Administer oxygen and epinephrine,monitor vital signs,and call for assistance.
B) Lay the client supine,administer epinephrine,and release the client to travel to the hospital.
C) Check the client's airway,breathing,and circulation;monitor vital signs;and call for assistance.
D) Ask the client to lean over the back of a chair;monitor vital signs,and call for assistance.