prep求教。

zikuier

155. (33239-!-item-!-188;#058&006636)

A different variety of giant tortoise canbe found on every island in the Galapagos, each with its own

style of oversized dome and comicallyscrawny neck.

(A) each with its own style of oversizeddome and comically scrawny neck

(B) each with their own styles ofoversized domes and comically scrawny necks

(C) each having their own style ofoversized dome and comically scrawny neck

(D) all having their own styles ofoversized domes and comically scrawny necks

(E) all with their own style of oversizeddome and comically scrawny neck

答案是A，我想求一下解释为什么D不能也看做是一个独立主格呢？还是说D的having用法在这儿不对？

DUKB24

their has no antecedent （ nouns in the sentence are all singular）