As Part of Planning for Her Class Speech on the Patriot

As part of planning for her class speech on the Patriot Act,Brenda passed around a brief questionnaire asking whether her classmates were for or against the Act,whether they thought parts or the entire Act should change,etc.Was this a good idea,according to your text?

A) No;by doing the questionnaire,she revealed to the class what her speech topic was going to be.
B) Yes;this is a smart technique of analyzing the audience known as demographic audience analysis.
C) No;the class is a captive audience,so finding out their views ahead of time wasn't necessary.
D) Yes;this form of psychological audience analysis is a good thing to do for any kind of audience.