A writer wants to make the following claim:

We need to spend more time reading.

Which answer makes the most logical and precise counterclaim?

a Spending time reading promotes clearer thinking and helps people make better decisions in all areas of life.
b Every student of the world should spend time reading a book at least once a week, but more often if possible.
c Some reading material can be dry and boring, and so it is not important to read books merely because someone said to.
d Reading regularly is good for the mind, but one must be careful not to neglect daily tasks when engrossed in a book.