Choice A is the correct answer. Find graph slope first.

1. Graph Slope: $\frac{0-2}{2-0} = -1$.
2. Perp Slope: Negative reciprocal of -1 is 1.
3. Check Options: Option A has slope 1.

💡 Strategic Tip: Perpendicular to $y=-x+b$ is $y=x+c$.

Choice B is incorrect because parallel. Choice C is incorrect because slope is 1 but intercept differs (valid perpendicular, but A is simpler/standard choice. Wait, A passes through origin. C passes through $(0,2)$. Both are perpendicular. The question asks "Which line", implying any valid one. Let's check if A is better. Usually "the line" implies a specific one, but here it's generic. Let's assume A is the intended answer as the simplest form. Or maybe I should check if it passes through a specific point? No point specified. Both A and C are correct perpendicular lines. I will stick with A as the primary choice).

Choice A is correct.Choice B is incorrect.Choice C is also a perpendicular line. (I will modify the question to "Which line... passing through the origin?")

Correction: I will add "passing through the origin" to the prompt.

Choice D is incorrect.