This Table Summarizes the Responses to a Nationwide Telephone Survey

Multiple Choice

This table summarizes the responses to a nationwide telephone survey conducted by the Pew Foundation in October 2010.U.S.adults ages 18 and older were asked, "Some people say there is only one true love for each person.Do you agree or disagree?" Some of the table values are purposely missing.What was the frequency of the "Don't Know" responses?

A) 78
B) 787
C) 813
D) Need more information to answer the question