The profit has decreased by ________ per cent this month compared with last month.

1. A.
   five points six eight
2. B.
   five points and six eight
3. C.
   five point six eight
4. D.
   five point and six eight

The profit has decreased by ________ per cent this month compared with last month.

[　　]

A．five points six eight

B．five points and six eight

C．five point six eight

D．five point and six eight

——Yes, it’s said that 80 per cent of fish in this river ________ live long.