The author of this editorial supports his argument's validity

Responses
A by relying on hyperbole to illuminate the foolishness of an antiquated system.by relying on hyperbole to illuminate the foolishness of an antiquated system.
B by quoting prominent politicians who are opposed to the use of the Electoral College.by quoting prominent politicians who are opposed to the use of the Electoral College.
C by providing poll results that show most Americans are opposed to the Electoral College.by providing poll results that show most Americans are opposed to the Electoral College.
D by demonstrating through example how one state can unfairly dominate another state's votes in the Electoral College.

D by demonstrating through example how one state can unfairly dominate another state's votes in the Electoral College.