Which of the Following Statements Is True

Which of the following statements is true?

A) A meta-analysis of studies testing multiple types of psychological intervention found effects on overall cardiovascular health but not on mortality rates.
B) A meta-analysis of studies testing multiple types of psychological intervention found effects on mortality due to cardiac events, but not on other aspects of cardiovascular health.
C) Cognitive-behavioral techniques have been definitively proven to be ineffectual in affecting cardiovascular health.
D) The only behavioral technique show to have a positive effect on cardiovascular health is mindfulness meditation.