_贵阳成考网

The author probably feels that twins’ problem 

• A、can not be solved because solution is very cruel

• B、can be solved because twins will be separated

• C、can not be solved unless the twins are forced to live in an ordinary environment

• D、can be solved if the adults communicate with them more often

60（）

If the whole operation_____ before hand, a great deal of time and money would have been lost.

• A、was not planned

• B、has not been planned

• C、had not been planned

• D、were not planned