What is wrong with the following argument?"We should not change our grading system to numbers instead of letters. The next thing you know,they will take away our names and refer to us by numbers, too!"
a. The conclusion is too extreme.
b. There is nothing wrong with the argument.
c. Students should not have a say in the type of grading system used in their schools.
d. It does not explain why they want to get rid of letter grades.