Which One of the Following Students BEST Illustrates the State

Multiple Choice

Which one of the following students BEST illustrates the state of functional fixedness?

A) Nathaniel,a student who is using a ruler for drawing lines,fails to realize that he can use its metal edge as a scraper to remove paint from his desk.
B) Kathy,a student who is trying to solve a math problem,explores many different strategies until she finds a reasonable answer.
C) Rebecca,a third-grade teacher,sees the second-grade achievement scores for her new class and begins to form expectancies about individuals' abilities.
D) Wendell,who is used to making "d" look like "b," continues to make the same error.