Which description of the result of snmp access to this device is correct?

The following information is the snmp-related configuration on a H3C network device:

snmp-agent

snmp-agent local-engineid 800007DB00E0FC79887C6877

snmp-agent community read public

snmp-agent community write private

snmp-agent sys-info version all

Which description of the result of snmp access to this device is correct?
A . You can successfully access and set up this device through snmpv1
B . You can successfully access and set up this device through snmpv2c
C . You can successfully access and set this device through snmpV3
D . No matter which version is adopted, this device cannot be accessed and set up