What Is the Approximate Z Score with Interpretation That the Average

What is the approximate z score with interpretation that the average Systolic blood pressure will be greater than 128 mmHg? Round to the nearest thousandth.

A) The probability for z = 3.00 or greater is greater than or equal to 3 standard deviations which is a significant result.
B) The probability for z = -3.00 or greater than or equal to 3 standard deviations which is not a significant result.
C) The probability for z = -3.00 or less is less than or equal to 3 standard deviations which is a significant result.
D) None of the above statements are correct.