When Combining the Two Categories of Questions, If a Salesperson's

When combining the two categories of questions, if a salesperson's strategic objective is to follow up previously elicited statements, and the amount and specificity of information desired involves choosing from alternatives, which type of questions will be used?

A) dichotomous or multiple-choice questions designed to be reactive in nature
B) closed-end questions designed to be tactical in nature
C) open-end questions designed to be evaluative in nature
D) investigative questions designed to be probing in nature