A. the tendency tosee an items only in terms of its most common use. b. continued use of problem-solving strategies that have worked in the past. c. arriving at a particularly insightful solution to a problem. d. focusing on information that is irrelevant to the solution of the problem.

c. the tendency to see an item only in terms of its most common use.

Explanation:

Functional fixedness refers to the tendency to see an item only in terms of its most common use.  It is a cognitive bias that makes an individual use a thing only in the traditional way it was meant to be used even though there are other uses it could be put into.

they encountered severe weather for which they were poorly prepared.