At a Deli, a Young Woman Finishes Her Sandwich and Appears

At a deli, a young woman finishes her sandwich and appears to have something stuck between her teeth. She pulls out a mirror and uses her fingernails to try to dislodge the food, but to no avail. Swishing water around in her mouth also doesn't work, and she becomes frustrated. Suddenly, as if a light bulb goes off in her head, the young woman reaches for a strand of her own hair and successfully uses it as floss! The young woman has demonstrated an ability to overcome _____.

A) divergent thinking
B) functional fixedness
C) stereotype threat
D) durability bias