What does Sinon tell the Trojans about the Wooden Horse? A - He tells them that a great sea monster will attack anyone who dishonors the horse
B - The Greeks built the horse to honor Laocoon, Neptune's priest.
C - The Greeks built the horse to win back the favor of Athena.
D - It is unwise to trust gifts from one's enemies.

The answer is C

Explanation:

The Greeks, pretending to desert the war, sailed to the nearby island of Tenedos, leaving behind Sinon, who persuaded the Trojans that the horse was an offering to Athena (goddess of war) that would make Troy impregnable.

C - The Greeks built the horse to win back the favor of Athena

Explanation:

Sinon tells the trojans the horse is meant to win back the favor of Athena from previous desecration of her temple and to guarantee a safe journey home for the Greek fleet.

He also persuaded them to take the horse by pretending to have escaped from the Greeks when they tried to sacrifice him. He then went on to tell them  that the gods had told them to create a sacred image which could replace the Palladium for protecting Troy.

Hope this helped and best of luck.

well if u read the book you would know that she meant to