[求助]prep1-155

A different variety of giant tortoise can be found on every island in the Galapagos, each with its own style of oversized dome and comically scrawny neck.

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

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

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

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

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

Prep 解释是强调型独立主格，形式为 句子+复数名词，each + 名词+名词/形容词/分词/介词

可是答案A中为什么是each with ....（即each+介词+名词）的形式呢？

不解！在线等答案～

谢谢解答！

首先要明白一点 这里的each不是副词 也不是形容词 是代词

名词(代词) +介词短语 是很常见的独立主格结构形式

举个例子

He ran to the girl, flower in his hand.