An Inventor for 3M, David Windorski, and a Team of Four

An inventor for 3M, David Windorski, and a team of four college students, questioned students about how they study. The students told the research team

A) that Scotch tape had outgrown its usefulness to students.
B) to make new products that were more environmentally friendly.
C) that the average backpack was already too heavy.
D) that it would be reasonable to put Post-it Flags together with a highlighter.
E) to determine the ratio of sales of 3M products to those of competitors' study aid products.