In the Study on Question Wording by Darrin Lehman and His

In the study on question wording by Darrin Lehman and his colleagues (1992) at the University of British Colombia,it was found that

A) question wording affected both more and less knowledgeable students.
B) question wording didn't affect students who were less knowledgeable.
C) knowledge of the issue didn't interact with question wording to influence response.
D) more knowledgeable students were unaffected by the question wording.