PT 17 S4 Q17

One way governments can decrease air pollution is to impose a tax on industrial ... ...

The author mentions the estimates of "One writer" (line 27) primarily in order to
(A) indicate in a general way the size that a carbon tax must be for it to be effective
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: Government & Economics Mix 3