Answer :
Answer:
Option(D) is the correct answer to this question
Explanation:
The main advantage of the Dvorak keyboard is that the Dvorak keyboard is faster then that of the QWERTY keyboard also in the Dvorak keyboard it needs fewer hand gestures than the omnipresent Virtual keyboard or QWERTY keyboard. The Dvorak keyboard typing the more words per minute.
In this the Author's most scepticism about the assertion that the Companies which are educated staff about the advantages of the Dvorak keyboard also finds that staff remains to choose the QWERTY keyboard.
Others Options are incorrect because they are not scepticism about the assertion of the author that's why they are incorrect Option.
The option that if true, casts the most doubt on the author’s conclusion is;
D) Businesses that have educated employees on the benefits of the Dvorak keyboard, have found that employees continue to use the QWERTY keyboard
- The argument in the question is simply of the belief that more people simply just have to know about the Dvorak keyboard and in no time, they will start using it.
The option that casts most doubt about the authors conclusion is option D.
Now, If businesses have tried to educate the employees, but the employees are proving to be reluctant, then it simply means that making the Dvorak keyboard more popularly known is not going to result in converts like the argument suggests.
Option B does not directly weaken the argument in the same manner that option D does because people will claim that they will need a few weeks to learn how to use the keyboard.
Read more about QWERTY keyboard at; https://brainly.com/question/18777341