Ray Is Retired, and He and His Wife Are Both

Ray is retired, and he and his wife are both in their late 60s. They are healthy, active, and financially well-off. They purchased an RV and plan to travel to all 48 of the continental United States. Which stage of the household life cycle describes them?

A) childless
B) jobless
C) retired
D) empty nest I
E) empty nest II