Which Statement Best Describes Research Findings About Couples Who Communicate

Which statement best describes research findings about couples who communicate with each other about sexuality issues? 

A)  They are more sexually adventurous than couples who do not communicate. 
B)  They are more sexually promiscuous than couples who do not communicate. 
C)  They are more likely to report higher levels of relationship satisfaction. 
D)  They are more likely to report higher levels of jealousy.