27. Neanderthals had a vocal tract that resembled those of the apes and so were probably without language, a shortcoming that may explain why they were supplanted by our own species.
(A) Neanderthals had a vocal tract that resembled those of the apes
(B) Neanderthals had a vocal tract resembling an ape’s
(C) The vocal tracts of Neanderthals resembled an ape’s
(D) The Neanderthal’s vocal tracts resembled the apes’
(E) The vocal tracts of the Neanderthals resembled those of the apes
A in my opinion.
B is wrong because it used resembling.
C wrongly compares Neanderthal's vocal tract with ape's something
D same issue that C has
E although a right comparison, this sentence along with the non-underlined sentence tells us that the vocal tracts were without a language
for every person who doesn't try because he is
afraid of loosing , there is another person who
keeps making mistakes and succeeds..