Which Junos NAT implementation requires the use of proxy ARP?

Which Junos NAT implementation requires the use of proxy ARP?

A.
destination NAT using a pool outside the IP network of the device’s interface

B.
source NAT using the device’s egress interface

C.
source NAT using a pool in the same IP network as the device’s interface

D.
source NAT using a pool outside the IP network of the device’s interface