Which popular press headline might suggest that a multiple regression has been used?

A. Daughters are happier when they have mothers who are happy working outside the home.

B. "Cuddling is an important factor in marital satisfaction for men, but it is not necessarily an important factor for women."

C. "Drinking coffee is associated with greater work productivity."

D. 'Vacations are important for life satisfaction, even after correcting for the length of the vacation."