Which of the Following Is/are (An)appropriate Benchmark(s)against Which to Measure

Multiple Choice

Which of the following is/are (an) appropriate benchmark(s) against which to measure the result of preapproach.

A) Whether the salesperson has closed the deal.
B) Better understanding on the product the salesperson is going to sell.
C) Better understanding of the prospect's selective criteria for the product/service provider.
D) Whether the customer has agreed to increase increase its last order.
E) All of these.