The Math Instruction of American and Asian Students Differs in All

The math instruction of American and Asian students differs in all of the following ways EXCEPT

A) Asian teachers spend more time teaching math than American teachers.
B) Asian students spend more days in school than American students; they have more time to do math.
C) American parents are more likely than Asian parents to attribute their children's math achievement to lack of effort.
D) Asian students are more likely to do math homework than American students.