–Do you know the man              is running along the street?

–Yes.He is our math teacher.

A.who     B.whom     C.which    D.whose

–Do you know the man              is running along the street?
–Yes.He is our math teacher.

--Do you know the man          is running along the street?

--Yes．He is our English teacher．

A．who                           B．which                         C．whom