A young mother brings her 4-year-old daughter to her pediatrician after noticing that her right eyelid is "droopy." Neurological examination reveals the absence of direct pupillary light reflex and downward abducted gaze in the right eye. These deficits are consistent with a lesion involving which of the following structures?
A) The right oculomotor nerve B) The right abducens nerve C) The right trochlear nucleus D) The right lateral rectus muscle E) The right medial rectus muscle