How do you implement this requirement using RFC technology?

Your business requires data synchronization between one client (source client) in an AS ABAP-based SAP system (source system) and three different clients (target clients) in a second AS ABAP-based SAP system (target system).

How do you implement this requirement using RFC technology? Please choose the correct answer.
A . Define three RFC connections to the source client in the target system.
B . Define one broadcast RFC connection of type "M" (multiple targets) to the target system in the source system.
C . Define three RFC connections to the target clients in the source system.
D . Define RFC connections between the three clients in the target system.

Answer: C