Larry Sanger insists that "Reading, writing, critical thinking, and calculation, however much they can be assisted by groups, are ultimately individual skills that must, in the main, be practiced by,
a. Larry Sanger insists that reading, writing, critical thinking, and calculation are ultimately individual skills that should be practiced by groups.
b. Larry Sanger insists that reading, writing, critical thinking, and calculation are ultimately individual skills that should not be practiced by groups.
c. Larry Sanger insists that reading, writing, critical thinking, and calculation are skills that cannot be improved through practices in groups.
d. Larry Sanger insists that reading, writing, critical thinking, and calculation are ultimately individual skills that must be practiced by individuals.
