Final answer:
The Titan goddess associated with sight, the ether of the sky, and the brilliance of gold and silver, and mother to Helios, Eos, and Selene, is Theia, which makes D) Theia the correct answer.
Step-by-step explanation:
The Titan goddess of sight and the shining ether of the bright, blue sky (aithre), who also endowed gold and silver with their brilliance and intrinsic value, and mother to Helios the Sun, Eos the Dawn, and Selene the Moon is Theia. The correct answer to the student's question is therefore D) Theia. This goddess is part of the vast and rich tapestry of Greek mythology that includes other well-known deities like Athena, Hermes, Apollo, and Artemis, as well as significant figures such as Zeus, Hera, and the Titans. Her role in the mythology signifies the importance of light and celestial bodies in ancient Greek culture.