下列评价方法中，属于风险型决策方法的是()。

A.最大最大收益值法 

B.等概率法 

C.最大最小收益值法 

D.最小最大后悔值法 

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.
The key to SNMP (76) is its simplicity. It has a small command set that does a good job of collecting information from (77) any network device. In a SNMP environment, (78) of the work is handled by the network management system. Devices that are being managed are not (79) with processing (80) that might affect their performance.

A．most

B．many

C．much

D．a lot