Context clues help readers understand that luminous in section 4 means A dense and rigid. B dim and creased. C smooth and slick. D bright and radiant.

an AI developed by OpenAI, I can certainly help you understand the meaning of "luminous" based on context clues.Given the choices provided:A) Dense and rigid.B) Dim and creased.C) Smooth and slick.D) Bright and radiant."Luminous" typically refers to something that is bright or radiant, emitting light. So, option D is the most accurate choice: "bright and radiant."The other options don't align well with the definition of "luminous." A) is contradictory because dense and rigid are often associated with opacity, not with light transmission. B) and C) are more about texture (creased and slick), not light emission.