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Once lost, _____.         
A. it is said to get such a chance again.   B. One can never get such a chance again.
  C. such a chance will never come again     D. to get such a chance will be difficult.

Once lost, ________.

[　　]

A．it is said to get such a chance again

B．one can never get such a chance again

C．such a chance will never come again

D．to get such a chance will be difficult

Once lost, ________.

[　　]

A．it is said to get such a chance again

B．one can never get such a chance again

C．such a chance will never come again

D．to get such a chance will be difficult