Which technology should be used to this?

Blue Berry Corporation, one of the biggest fruit traders in Canada, has the biggest competitor, Red
Cherry Corporation. Blue Berry uses a web application that is developed by using java
technologies, whereas Red Cherry’s web application uses non-Java technologies. Blue Berry
plans to share business sensitive, transactional data between the two systems by integrating them
in a loosely coupled manner.
Which technology should be used to this?

A.
JMS

B.
JCA

C.
XML over HTTPS

D.
RMI over IIOP

E.
JBI