Which of the Following Would Be Considered an Abnormal Finding

Which of the following would be considered an abnormal finding when the nurse practitioner uses an otoscope to look at a toddler's ear? The tympanic membrane is described as

A) "transparent."
B) "a shallow, oval cone pointing inward toward apex."
C) "small, whitish cord seen traversing the middle ear from back to front."
D) "yellow, amber discoloration noted."