Your patient is a 23-year-old female who is 30 weeks pregnant. She choked on some cheese while eating a piece of pizza. When asked if she can speak, she replies "yes," although with some difficulty. Your next step should be to:

A) perform a series of abdominal thrusts.
B) perform a series of chest thrusts.
C) ask the patient to cough as hard as she can.
D) attempt to remove the bolus of cheese with Magill forceps.

C