Which statement regarding decision services is true?

Which statement regarding decision services is true?
A . The main rule project can be referenced by a XOM for purposes of exposing methods in rules.
B . Decision services can be configured through parameters in the properties when rule extractors are used.
C . The source rule project for the decision operation determines the rules, variables, and dependent projects that are eligible to be included in the ruleset.
D . When a decision service with multiple rule projects is published to Decision Center, standard rule projects are published as source decision service artifacts.

Answer: C