大全567-答案有问题？

567    Originally developed for detecting air pollutants, a technique called proton-induced x-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it, is finding uses in medicine, archaeology, and criminology.

(A) Originally developed for detecting air pollutants, a technique called proton-induced x-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it,

(B) Originally developed for detecting air pollutants, having the ability to analyze the chemical elements in almost any substance without destroying it, a technique called proton induced x-ray emission

(C) A technique originally developed for detecting air pollutants, called proton-induced x-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it,

(D) A technique originally developed for detecting air pollutants, called proton-induced x-ray emission, which has the ability to analyze the chemical elements in almost any substance quickly and without destroying it,（A）

(E) A technique that was originally developed for detecting air pollutants and has the ability to analyze the chemical elements in almost any substance quickly and without destroying the substance, called proton-induced x-ray emission,

这道题我上去第一眼就把A,C,D 排除掉了，因为我看到which 做非限制性定于从句修饰Emission. 感觉应该是Technique 而不是Emission执行analyze 的动作，所以排除。然后B和E比较，选出B。 不知道各位怎么理解。

本题和which 没有关系。 A是最好的答案。which并没有用错，technique 和proton-induced x-ray emission 是同一件事。

B中的has ability to 用得不当，a technique没有这样的能力， be able to do ...表示主观的能力。而且'having......"感觉是修饰"air pollutants". 如果修饰a technique, having之前至少要个and.

C/D/E中的”called ......"位置不当。

E中的"has ability to"也不当。

嗯，明白自己的错误了。

Thanks, wlee226.

还是有问题，a technique is called 才对