Elections based on a plurality system discourage new parties from forming because

Question

I think it's C. Is this correct please?
a. a plurality system discourages patronage and reduces voter interest in joining a party
b. a plurality system requires parties to form alliances with other parties to win elections
c. under this winner-take-all system, no incentive is given for finishing second (or lower)
d. a plurality system requires each party to be as narrowly based as possible, leaving little room for new parties
e. a plurality system gives an advantage to savvy political unknowns who can grab the media spotlight

Answer 1

Yes, c.

Answer 2

Thank you!

Answer 3

You're welcome.