Florence Often Thinks of the Past When Her Children Were

Florence often thinks of the past when her children were young.She remembers all the good times they had and how much they depended on her.She yearns for those times thinking that it was more pleasant than her life is now.Florence is experiencing _____.

A) cognitive dissonance
B) mood-appropriate affect
C) nostalgia
D) mood-congruent recall
E) emotional flow