The answer is B.
The U.S DEA estimates 75% of people who try drugs become addicted.
When striking the ball on your non-dominant side, it is a backhand volley. Note: for the backhand volley it is best practice to only use 1 hand on the volley even if you have a 2-handed backhand groundstroke.
There are many physical advantages of administering a dual spinal epidural or walking epidural during childbirth like walking epidural uses smaller needles and a system for administering an anesthetic, it also permits the woman to move freely during labor, and it has fewer effects than a traditional epidural. The disadvantage is a walking epidural cost less to administer.
