Which of the Following Examples Provides the Best Evidence for the Broaden-And-Build

Which of the following examples provides the best evidence for the broaden-and-build hypothesis of how emotions influence cognition?

A) People who watch an amusing film clip rate themselves as more similar to outgroup members.
B) People who are in a bad mood are more creative when working on complicated tasks.
C) People who are given a bag of candy rate their life satisfaction as higher.
D) People who unexpectedly find a dollar on the floor are in a better mood.