题目内容：

toefl阅读一道试题不知道为什么选这个
With the advent of projection,the viewer's relationship with the image was no longer private,as it had been with earlier peeshow devices such as the Kinetoscope and the Mutoscope ,which was a similar machine that reproduced motion by means of successive images on individual photographic cards instead of on strips of celluloid（胶片）.
Which of the following is mentioned in this paragraph as one of the ways the Mutoscope differed from the Kinetoscrope?
正确选项：A different type of material was used to produce the images used in the Mutoscope.
1.从文章中我根本看不出M 与K不同之处,而文章还用了similar.
2.which 指代谁?
3.翻译正确选项
4.解释为什么选它
不用质疑是否有错,或出题是否在这段,我只看自己写的不用转载!
1,4楼难分伯仲,1楼4问回答的有些不准,4楼的3问开头翻译不准确
此问题1楼和4楼回答.
谁回答的对和快,我就给谁.那另一位就不好意思了,