Adjective choice: pick the word meaning highly responsive to light Context: The person never leaves the house without sunglasses. Complete the sentence: "He is so ______ to light that he never leaves the house without sunglasses." Choose the correct option.

Given data

• Behavior: always wears sunglasses due to reaction to light.

Concept/Approach
Sensitive to means easily affected by a stimulus (here, light). Antonyms like indifferent, immune, and impervious indicate the opposite (unaffected).

Option analysis
sensitive — correct collocation: “sensitive to light.” ✅indifferent — unconcerned; wrong meaning.immune — protected from; opposite sense.impervious — not allowing something to pass through; figuratively unaffected.

Usage note
Medical/technical terms include photosensitive or photophobic, but the general term is simply sensitive to light.

Final Answer
sensitive