I think the answer your looking 4 is B
HOPE THIS HELPS
#Optimist
I believe the correct answer would be B. Semipermeable means that it allows certain substances to pass through, and certain other ones to not pass through. So given all of your options, I would say that B makes the most sense. Hope this helped!
-TTL
Detective= they uncover mysteries and understand how things happen by sampling blood and looking for clues
