The LEGS. Reason Being is that it can and will put less strain on your back.
Answer:
"You look worried. How can I make you feel comfortable?"
Explanation:
The Answers C
Probably not D, because its probably not that urgent as this machine can cause severe unconsciousness, or even death.
Maybe not A because it may not be there for the person for its too big, and it usually used in hospitals. Basically, its not portable.
Not B Either.
