请选择DCBA0O,G'[9[4X I _______ why John is looking for a different job.,Q9C5U'p'P4Q;C
A wonder,Q9C5U'p'P4Q;C
B．choose,Q9C5U'p'P4Q;C
C．feel,Q9C5U'p'P4Q;C
D．believe,Q9C5U'p'P4Q;C