After Living Together for a Year,Sylvia and Yefim Have Decided

After living together for a year,Sylvia and Yefim have decided to become engaged and plan their marriage.Research most strongly suggests that

A) they have more positive attitudes toward the institution of marriage than the average couple.
B) their marriage will have a higher-than-average probability of being successful.
C) most of their American college friends and acquaintances have viewed their living together negatively.
D) their future marriage will have a greater chance of ending in divorce.