Stern drives are known also as inboard/outboards (I/Os) because they combine features found on both inboard and outboard engines. Which statements about stern-drive engines are accurate?
a) Stern-drive engines exclusively use two-stroke automotive engines adapted for marine use.
b) The engine turns a drive shaft that is attached to a propeller at the other end.
c) Steering of stern-drive boats is controlled by a rudder located at the rear.
d) Stern drives cannot be mounted inside the boat.