首先阐述了痉证和肝脏关系的医家为
A.张仲景B.朱丹溪C.吴鞠通D.华岫云E.王清任
参考答案:D
They often go to the restaurants for meals. They _____ be very poor.
A.mustn’t
B.can’t
C.may not
D.needn’t