Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

The question stem mentions parabola, so it is a parabola, that is, a quadratic function image. Firstly exclude options B, C, and D, because these three options are cubic functions; then, observing the three points the function passes through, it can be found that this is a parabola with the opening facing downward, so the washing of the x^{2} item should be Negative number, option A is reasonable.