Which of the Following Research Findings Is an Actual Finding

Which of the following research findings is an actual finding from research on people's personalities?

A) People high in neuroticism are less likely to report positive emotions.
B) People high in extraversion are less likely to report negative emotions.
C) Preference for nonvocal music is a reliable indicator of neuroticism.
D) Preference for music with vocals is a reliable indicator of extraversion.