2. PART B: Which detail from the text best supports the answer to Part A? A. “When I asked a room of professional mathematicians the same question, neither of those words were mentioned; instead, they offered phrases like ‘critical thinking’ and ‘problem-solving.’” (Paragraph 2) B. “One crux of mathematical content is the equation, and crucial to this is the equal sign. An equation like x = 5 tells us that the dreaded x, which represents some quantity, has the same value as 5.” (Paragraph 5) C. “Another topic we covered is a subject sometimes referred to as ‘sheet geometry.’ The idea is to imagine the whole world is made of rubber, then reimagine what shapes would look like.” (Paragraph 12) D. “Students in the course spent some time knitting objects, like infinity scarves and headbands, that were different even when made out of flexible material. Adding markings like arrows helped visualize exactly how the objects were different.”(Paragraph 17)