Which of the Following Individuals Is Most Likely to Be

Which of the following individuals is most likely to be experiencing vasodilation?

A) A 51-year-old man with a history of hypertension who is taking a medication that blocks the effect of the renin-angiotensin-aldosterone system
B) A 9-year-old boy who has been given an injection of epinephrine to preclude an anaphylactic reaction to a bee sting
C) A 30-year-old woman who takes antihistamines to treat her seasonal allergies
D) A 32-year-old man who takes a selective serotonin reuptake inhibitor for the treatment of depression