All of the Following Statements About Counting Across Cultures Are

All of the following statements about counting across cultures are true EXCEPT:

A) almost every culture's number system shares fundamental assumptions about what numbers are
B) almost every culture's number system shares fundamental assumptions about what sorts of operations can be performed on numbers
C) children all over the world engage in counting and are quite similar in their counting patterns
D) children all over the world vary considerably in how they link counting to other forms of mathematical knowledge