Which of the Following Is an Example of Functional Fixedness

Multiple Choice

Which of the following is an example of functional fixedness?

A) Dan always uses the same old banged-up set of tools to fix everything.
B) Steve always takes the same route to work every day,in spite of constant traffic jams.
C) Kimber doesn't think of using her CD case an as ice scraper to clear her windshield.
D) Alexander loves his new computer game so much that he can't stop playing it.