Which Impediment to Effective Problem Solving Is Correctly Matched with Its

Which impediment to effective problem solving is correctly matched with its definition?

A) functional fixedness - the tendency to look for novel solutions to each new problem
B) mental set - the tendency to think of an object only in terms of its customary use
C) mental set - the tendency for old patterns of problem solving to persist
D) functional fixedness - the tendency to use objects in novel ways