monarchs
B.
freemen
C.
serfs
D.
feudal lords
The CORRECT answer is A. Monarchs (100% sure)
You should avoid D) attempting to free the accelerator with your hand if your accelerator suddenly gets stuck. Attempting to free the accelerator with your hand, reduce your visibility when the car still in movement. This attempt could cause an accident to yourself and other drivers.
You should avoid tapping it
The big dipper can be found in the constellation Ursa Major also known as the great bear. It can be found in the northern hemisphere. The northern star can be found at the end of the big dipper constellation.
Hope it helps :)