What Happens to Polling Data When Members of Congress Begin

What happens to polling data when members of Congress begin urgently debating a potential change in policy direction?

A) Polling data are likely to indicate that a majority of the electorate is keenly interested in the congressional debate.
B) Polling data are likely to indicate that at least part of the public is interested in the congressional debate.
C) Polling data are likely to remain unchanged.
D) Polling data are likely to overestimate the extent of the public's interest in the debate.
E) Polling data are not likely to be very accurate until the outcome of the debate is known.