Which of the following, if true, would weaken the speaker's argument?
A
a demonstration that computers can be used to teach reading and arithmetic
B
analysis of the cost-effectiveness of new computers versus repairing old computers
C
examples of adults who do not know how to use computers
D
recent grade reports of students in the computer classes
Correct Option - A
Explaination
If computers enhance the learning of arithmetic and reading, the speaker's argument is not as strong.