For how long can a reader keep the book before he renews it

A．We would not have any problems.
B．There would be a higher divorce rate.
C．Families could take a ride together.
D．We would have a new view to neighborhood.

A．observers are taking a wait-and-see attitude towards the future of euthanasia.
B．there is a possibility of similar bills being passed in the U.S. and Canada.
C．observers are waiting to see the movement end up in failure.
D．the process of the bill taking effect may finally come to a stop.