听力原文:Why are large earphones safer than small earplugs?(35)A.Because small earplugs ar
听力原文:Why are large earphones safer than small earplugs?
(35)
A.Because small earplugs are less effective in music transmission.
B.Because small earplugs are provided by most music players.
C.Because large earphones may better block off outside noise.
D.Because large earphones may offer a louder music sound.