PT 9 S4 Q12

Some accountants calculate with simple adding machines, and some use complex ... ...

Which one of the following is an assumption that would make the conclusion in the passage a logical one?
(A) More accountants use computers than use adding machines.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Necessary Premise (NP): Practice Set 1 - Moderate Questions