B. The tone is light hearted due to words like “whodunit” and “er taste.”
Explanation:

FIVE TIPS TO HELP YOUR DENTAL RECEPTIONIST WHEN CALLING YOUR PATIENTS
- Sit up straight and smile before each call. ...
- Let patients speak without interruption or placing them on hold. ...
- Be well versed in practice FAQ's and always have a script handy. ...
- Probe for more information. ...
<h3>-XxItzAdiXx</h3>
<span> It is located at Washington, Metropolitan</span>