<span>The correct answer is a Borrowed Word, croissant has been borrowed from French. Hope that helps.</span>
A is wrong you wouldn't say "is" you would say are.
B is wrong to because "was" is not the correct verb to use.
D is wrong because key, should be plural, keys
C is correct, because it has subject and verb agreement.
Answer:
REAL, RED, ALTERED , READ, TED, DEAD, FED