Borrowing Drugs<br>My sister-in-law B has a lot of pain. She has arthritis. We were in her place today. We found she had borrowed her son's Naproxen. We counseled her on drug abuse but she refused to listen.

Can we draw the following conclusion?
My sister-in-law took naproxen

pick from the following. a). Yes. b). It's impossible to say. c). No.
a).