During a Swallowing Evaluation the Tongue Is Noted to Be

During a swallowing evaluation the tongue is noted to be retracted.What would typically be the reason for tongue retraction?

A) Abnormal tone or loss of range of motion as a result of soft-tissue shortening
B) The oral cavity is too large and makes the tongue appear retracted within the oral cavity
C) The tongue is abnormally small for the oral cavity
D) Protective response seen with a hyperactive gag