Find the best word to complete the sentence:
Members of the Flat Earth Society still believe the ___ idea that the world is flat.
A.
pretentious
B.
primordial
C.
preposterous
D.
preempt
Members of the Flat Earth Society still believe the ___ idea that the world is flat.
A.
pretentious
B.
primordial
C.
preposterous
D.
preempt