When is it cheaper to make an international call（）

A．Book a call.
B．Make a "person-to-person" call.
C．Call back outside office hours.
D．Keep on callin

A．no heart disease will be found if people don't drink coffee
B．no one should drink more than two cups of coffee a day
C．the more coffee people drink, the more chance they will get to have heart disease
D．women's heart disease has something to do with their drinking of coffee