Which of the Following Precautions Is Most Relevant When Testing

Which of the following precautions is most relevant when testing the promising option against the other reasonable choices during decision making?

A) making an honest effort to see the virtues of all the reasonable options
B) give due consideration to ideas that may go against one's preconceptions
C) listen open-mindedly to both sides before eliminating a reasonable option
D) specify what is going to be important as the criteria for making the final decision