Universal Containers wants to record information about the conferences it holds and people who attended them. An attendee could potentially attend multiple conferences. The Company would like to display this information on the contact layout using the standard configuration.
How the system should be designed to meet the company's requirements?

A. Create a custom object for conferences and a custom object to record attendee information
B. Utilize campaigns for a conference and a custom object to record attendee information
C. Create a custom object for a conference and a custom lookup field to a conference on Contact
D. Utilize campaigns for conferences and add Campaign member to record attendee information