Refer to the exhibit. This exhibit shows the NAT configuration for Router A and the output for a ping issued from device 171.68.200.48 and destined to 172.16.47.142. Based on this information, what change must be made to Router A in order for the ping to work?（）
- Areload the router
- Bclear the route cache
- Cadd a static route
- Dconfigure IP as classless
- Eload a newer IOS image