胁痛虽有虚实之分，但其病变主要涉及（）
A.气与血
B.寒与热
C.肝与胆
D.肝与肺
E.阴与阳
参考答案：C
—Tom says he is too tired to go on.
—He can’t be.He ____for an hour.
A．just worked
B．has only been working
C．has just worked
D．had only been working
犯罪故意
