Self-efficiency refers to ______ , as well as a sense of self-worth and effectiveness in our lives.

A．They get married before they buy their own house.
B．More people get divorced and do not remarry soon.
C．They attend local colleges so they have to stay home.
D．They move back so that they can take care of their parents.

A．Taxi-driver.
B．Her husband.
C．Airport staff.
D．Waiter.