According to Zimbardo, Ebbesen, and Maslach, Who Analyzed the Content

According to Zimbardo, Ebbesen, and Maslach, who analyzed the content of elementary-school arithmetic texts, examples of math problems from most textbooks:

A) are intentional forms of propaganda designed to brainwash students.
B) subtly endorse and legitimize the capitalist economic system that is dominant in our society-presenting it as "natural and normal."
C) are value-free ways of teaching children the basics of mathematics.
D) reflect alternative systems of economics that threaten our society's established economic practices.