First-Class Levers ________

First-class levers ________.

A) have load at one end of the lever, fulcrum at the other, and effort applied somewhere in the middle
B) are typified by tweezers or forceps
C) in the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location
D) are the type using joints forming the ball of the foot as formed in raising the body on the toes