[問題] OG11-CR78

[lovekyoko (Nothing is impossible扔)]

In comparison to the standard typewriter keyboard,the EFCO keyboard,

which places the most-used keys nearest the typist's strongest fingers,

allows faster typing and results in less fatigue. Therefore, replacement of

standard keyboards with the EFCO keyboard will result in an immediate

reduction of typing costs.

Which of the following, if true, would most weaken the conclusion drawn above?

我只想問答案A和C

(A)People who use both standard and EFCO keyboards report greater difficulty
in the transition from the EFCO keyboard to the standard keyboard than in the
transition from the standard keyboard to the EFCO keyboard.

(C)The number of businesses and government agencies that use EFCO keyboards
is increasing each year.

解答上說 A和C都是支持結論

結論是說 immediate reduction of typing costs.

但是A只是說明轉換的難度 C是說businesses and government agencies 對於

EFCO keyboards 的使用增加 沒有支持結論

我哪裡想錯了  冏

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推 fly12404:結論可以這樣想:使用EFCO的將會增加 是為了減少成本
→ fly12404:A是說用EFCO的人轉變成標準的比較難 而標準的轉變EFCO較
→ fly12404:易 ,所以以前用標準的可較容易轉變成低成本的EFCO=>增加
→ fly12404:所以A應該支持結論 C也是
→ fly12404:A:使用EFCO的還是用EFCO 而標準的可能變成EFCO
→ lovekyoko:感謝