Choice A is the correct answer. Contextual limits.

1. Scenario: Height 0 is impossible for a person.
2. Intercept: The y-intercept often has no physical meaning if $x=0$ is outside the data range.
3. Term: Extrapolation.

💡 Strategic Tip: Intercepts are mathematically real but contextually often meaningless.

Choice B is incorrect.Choice C is incorrect.Choice D is incorrect.