Click the Exhibit button.
Based on the exhibit, client PC 192.168.10.10 cannot ping 1.1.1.2.
Which is a potential cause for this problem?（）

A. The untrust zone does not have a management policy configured.
B. The trust zone does not have ping enabled as host-inbound-traffic service.
C. The security policy from the trust zone to the untrust zone does not permit ping.
D. No security policy exists for the ICMP reply packet from the untrust zone to the trust zone.