A. Bartender would be talking with guests and in a parlor / bar.
Explanation:
the answer D is correct, ....
infection that can be passed from one person to another.
I think it's called infectious agent or something close to that.
<span>Michael n. Presents to the emergency department complaining of chest pain, nausea, and shortness of breath. The
diagnosis test ordered for this patient is a (n) </span><span><span>electrocardiogram</span>, a test that records electrical activity
of his heart.</span>
