A Dental Hygienist Tells a Patient, "Your Gumline Is Receding

Multiple Choice

A dental hygienist tells a patient, "Your gumline is receding. You need to start flossing more regularly or you will need root canal surgery." The claim in this argument is:

A) Your gumline is receding
B) You need to start flossing more regularly
C) You will need root canal surgery
D) Lack of flossing (cause) is responsible for the receding gumline (effect)