When Researchers Track Adolescents' Emotions Across Time and Situations, They

When researchers track adolescents' emotions across time and situations, they find that adolescents' emotions

A) are relatively stable during the early years of adolescence, but become more intense with increased chronological age.
B) are more negative when pressured to make a lot of choices about things they want to do.
C) tend to be most elevated when they are alone, thinking about issues most important to them.
D) tend to be the most stable and focused when doing schoolwork, but are more volatile when interacting with friends.
E) fluctuate frequently throughout the day, and reach both emotional highs and lows depending on what they are doing.