Wilma is 4'8" tall and needs to get a glass from a top shelf of a cabinet so she can get something to drink. Which of the following is the safest choice for Wilma? A. jumping to knock the glass into her hands B. using a stool or a small ladder to reach the glass C. grabbing a chair from the table and using it to reach the glass D. climbing on the countertop so it will be easy to reach the glass