胆汁从胆囊释放的过程是由哪种激素支配的?(    )
   A．缩胆囊素    B．胃泌素    C．胰岛素
   D．内因子    E．胰泌素

A.pollutingB.be pollutedC.pollutedD.to be polluted

A.polluting
B.be
B.polluted
D.to

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_______ “hello”, he reached out his hanA.SaidB.SayingC.To sayD.Say

A.Said
B.Saying
C.To
B.Say

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