Which of the Following Sampling Methods Correctly Describes Systematic Sampling

Which of the following sampling methods correctly describes systematic sampling?

A) A sampling method which is a type of value-weighted selection in which sample size, selection and evaluation results in a conclusion in monetary amounts
B) A sampling method which involves having a constant sampling interval, the starting point for testing is determined randomly
C) A sampling method in which the auditor selects a block(s) of contiguous items from within the population
D) A sampling method whereby the population is divided by size to determine the number of transactions tested i.e. the higher the value the more are tested