民事主体依法享有在法定范围内的广泛的行为自由，并可以根据自己的意志产生、变更、消灭民事法律关系，民事主体可以自由决定其行为，排除国家公权力的干预。

Have you got the message I left with your father yesterday_______ you’ll have an important meeting tomorrow afternoon.                           

A．in which

B．with whom

C．that

D．which