If You Have a Well-Established Theory Which Says That Change

Multiple Choice

If you have a well-established theory which says that change does not occur in the heavenly regions (regions of the sky more distant from the Earth than the moon) , you will rightly discount reports of observers on a particular occasion who claim to have observed a new star to appear where there was no star before, or to have observed a comet pass through those regions (as opposed to being a mere sublunary phenomenon) . (Richard Swinburne, Revelation: From Metaphor to Analogy)
This statement is made up of a(n) _____ and a(n) _____.

A) argument; conclusion: You will rightly discount reports of observers on a particular occasion who claim to have observed a new star to appear where there was no star before, or to have observed a comet pass through those regions (as opposed to being a mere sublunary phenomenon)
B) nonargument; unsupported assertion
C) nonargument; conditional statement
D) nonargument; illustration