Whatever great difficulty we might meet with, we must finish the work within the week．There is no other ________．

1. A.
   form
2. B.
   result
3. C.
   explanation
4. D.
   alternative

Whatever great difficulty we might meet with, we must finish the work within the week. There is no other ________.

　　 A. form　 B. result　 C. explanation　　 D. alternative