Claudia Wants to Send a Fragile Vase to Her Parents

Multiple Choice

Claudia wants to send a fragile vase to her parents for their anniversary,but she can't find any appropriate packing material in her house.She decides to pop some popcorn and use that to pack around the vase.What has Claudia done in this case

A)  overcome functional fixedness in solving her problem 
B)  effectively utilized the availability heuristic in solving her problem 
C)  utilized an elimination-by-aspects strategy to solve her problem 
D)  demonstrated functional fixedness in solving her problem