All of the Statements Below Relate Students' Understanding of the Equal

All of the statements below relate students' understanding of the equal sign EXCEPT:

A) Understanding or confusion with the equal sign does not usually cause difficulties understanding the process of solving equations.
B) Because of their early experiences,many students tend to believe the equal sign represents "and the answer is".
C) The equal sign is one of the principle methods of representing important relationships within the number system.
D) The equal function can be represented concretely by a number balance scale,which can lead to deeper conceptual understanding.