—Could we meet at 3 o’clock this afternoon?

---Sorry, let’s make it __ day.

A．other’s

B．the other

C．another

D．other

唯物辩证法的实质和核心是( )。

A．因果关系规律
B．对立统一规律
C．否定之否定规律
D．质量互变规律