Tom Suffers from Hypertension (High Blood Pressure)

Tom suffers from hypertension (high blood pressure) .Which of the following might help deal with his problem? A drug that

A) stimulates α₁ receptors in cardiac muscle tissue.
B) blocks α₂ receptors in cardiac muscle tissue.
C) stimulates cAMP formation in cardiac muscle tissue.
D) blocks beta receptors in cardiac muscle tissue.
E) blocks muscarinic receptors in cardiac muscle tissue.