Explain what is meant by block sampling. OA. A block sample is the selection of items without any conscious bias by the auditor. In such cases, the auditor selects population items without regard to their size, source, or other distinguishing characteristics. OB. A block sample is the selection of several items in sequence. Once the first item in the block is selected, the remainder of the block is chosen automatically. OC. A blockisample is the deliberate selection by the auditor of each item in the sample based on his or her own judgmental criteria instead of using random selection. OD. A block sample is the selection of several items in sequence. Once the first item in the block is selected, the remainder of the block is chosen based on the auditor's judgmental criteria