According to Békésy's Observations,higher Frequency Sounds Produced Vibrations near the _____

Short Answer

According to Békésy's observations,higher frequency sounds produced vibrations near the _____ of the basilar membrane while lower frequency sounds resulted in vibrations centered near the _____ of the basilar membrane.
A)base,apex
B)apex,base
C)cochlear end,tectorial end
D)basilar end,tectorial end