When Asked to Place Themselves on a Scale from Very

When asked to place themselves on a scale from very liberal to very conservative, about half the people classify themselves as liberal or conservative. Of the rest ______.

A) about a quarter position themselves in the middle and another quarter do not place themselves at all
B) about a quarter position themselves as very liberal and another quarter position themselves as very conservative
C) almost all the remaining half place themselves in the middle
D) almost all the remaining half refuse to answer