__________ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.

1. A.
   While
2. B.
   As
3. C.
   When
4. D.
   Before

______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal．

       A．When           B．As  C．While            D．Before

__________ it is true that a student`s most important goal is to do well in his or her studies，it  doesn`t need to be the only goal.

    A.When      B.As       C.While       D.Before

______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.

A. When              B. As                   C. While                D. Before

_________it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.

A. When           B. As                     C. While                      D. Before

__________ it is true that a student`s most important goal is to do well in his or her studies，it  doesn`t need to be the only goal.

    A.When      B.As       C.While       D.Before