Which of the Following Scenarios Will Yield a Nonprobability Sample

Which of the following scenarios will yield a nonprobability sample?

A) The subjects of the sample are chosen based on known probability.
B) Items or individuals are chosen without regard to their probability of occurrence.
C) Every individual or item from the frame has an equal chance of being selected.Selection may be with replacement or without replacement.
D) Decide on a sample size,n;divide the frame of N individuals into groups of k individuals where k = N/n;randomly select one individual from the first group;select every kth individual thereafter.