Which artifact within WebLogic server helps you achieve your objective?

You are working for a software company that mostly dealt with creating and reusing C++ and.
NET objects. There are many COM (Component Object Model) components that have been
created over time that provide standardized functionalities. Recently, platform independence has
become a major consideration for your organization and you have deployed WebLogic
server12c.But you would like to make use of some of your prebuilt COM objects for request
processing. You need an interim solution before implementing web services.
Which artifact within WebLogic server helps you achieve your objective?

A.
MessagingBridge

B.
IDL Mapper

C.
jCOM

D.
XML Registry

E.
COM2 Java

Explanation:
http://docs.oracle.com/cd/E13222_01/wls/docs61/jcomreference/com2javatool.html