According to the Research Undertaken to Date, What Is the Relationship

According to the research undertaken to date, what is the relationship between environmental performance and disclosure of corporations?

A) Poor performers have poor disclosure, but no relationship has been found for good performers
B) Good performers have good disclosure, but no relationship has been found for poor performers
C) Poor performers have good disclosure, but no relationship has been found for good performers
D) Research has not drawn any clear conclusions