[考題] 連接詞問題

[APE36 (PT鄉民)]

Batteries have always been the ___ of electric cars; we can make one that is
rugged, but it’s bound to be too heavy and bulky, and unable to store enough electricity.
(A)Achilles’ heel (B)Midas’ touch (C)Minos’ labyrinth (D)dues ex machina

Nobody knew when she was born. She herself had no idea,___ when she came into
the world there was no
census yet.
(A)except it (B)that (C)except that (D)except for

兩題分別為A、C
第一題是要如何選?都沒看到與Achilles' hell有關的東西啊

第二題關於連接詞的部分要如何解呢??
第二題個人是選D，請益一下C、D的部分有何不同??

The chances of building a multiracial cosmopolis rooted in a shared civic
culture lie in turning away from all the dangerous and, ultimately, self-destructive confrontations.
(A)Building a multiracial cosmopolis is believed to have a self-destructive
confrontation.
(B)Dangerous confrontations might as well serve as a root for a multiracial
cosmopolis.
(C)The fewer self-destructive confrontations, the more likely a multiracial
cosmopolis can be built.
(D)Both self-destructive confrontations and a shared civic culture may help
build a multiracial cosmopolis.

此題答案是C
想請問一下如果選B為何與句意不同呢?
Thanks，以上三題

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→ dunchee: "Achilles’ heel"->這和其它選項都是idioms，字典就有的
→ dunchee: 東西，你為什麼都不查呢？(你的字典沒有？那麼你早該換一
→ dunchee: 本/換別家/換Apps/換links/...)
→ bbbtri: 1.軟肋 3.turning away = against
推 valenci: 阿基里斯之腱的引申用法就是指「罩門」。
推 valenci: 第一題的選項也太希臘神話了。
推 kee32: 希羅神話基本上是他們的基礎教育了，拿來用非常合理。除非
→ kee32: 你是走global English路線，否則這類東西必學。
推 pkuguy: 英文有很多典故來自《聖經》和希腊羅馬神話故事。
→ pkuguy: 因此對聖經之類的作品很熟的話，你對英文的了解就會很深入