Have you ever met with this case in your life ______ you can’t understand others even if they have said several times?

    A. when           B. where            C. which          D. that

Have you ever met with this case in your life 　　　　 you can't understand others

even if they have said something several times？

Have you ever met with this case in your life 　　　　 you can't understand others
even if they have said something several times？

1. A.
   where
2. B.
   what
3. C.
   that
4. D.
   which