What Idea Was Supported by the Study on the Use

What idea was supported by the study on the use of coping strategies across cultures?

A) Coping strategies are not useful for understanding life outcomes.
B) The use of coping strategies largely depends on someone's income.
C) People who use coping strategies more often are likely to recommend them to people from other cultures.
D) There needs to be caution when assuming there are universal benefits to using similar coping strategies.