6. What is the normal reflex on _______ when lights stimulate a person’s eyes?
(A) eyelet
(B) pupils
(C) eyelid
(D) eyebrow
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統計: A(16), B(418), C(21), D(4), E(0) #1814817
統計: A(16), B(418), C(21), D(4), E(0) #1814817