看看，判断对(√)错(×)。

( ) 1. one + one = three

( ) 2. two + one = three

( ) 3. three + three = six

( ) 4. one + six = eight

( ) 5. two + three = five

( ) 6. three + five = eight

We don’t think we can put the business through ______ you revise your terms and conditions.( )

A．unless

B．expect

C．only if

D．in addition