Jean and Joan Are Discussing Their Thoughts About Longevity, Both

Jean and Joan are discussing their thoughts about longevity, both theirs and their husbands. Statistically, Jean and Joan can expect to:

A) outlive their husband by approximately twenty years.
B) outlive their husbands by approximately twelve years.
C) outlive their husbands by approximately five years.
D) precede their husbands in death by approximately two years.