In a survey of 2,000 high school teachers, the majority of the teachers gave lack of lesson planning time as their top complaint. Therefore, despite popular opinion, teachers are not underpaid, as this was not their top complaint.
Which one of the following, if true, most seriously weakens the argument?
A)Part of the reason teachers complain of a lack of lesson planning time is that they must complete their lesson planning during their free, unpaid, time.
B)Teachers also complained of a lack of training opportunities.
C)Teachers do not have a high salary, and many jobs requiring a comparable education and skill level pay much more.
D)The teachers in the survey worked in a variety of school districts, some of which pay much more than others.
E)Workers are not likely to complain about their jobs unless they feel their jobs are secure, and many teachers across the country have been laid off recently.

Question

Quizplus · Accepted Answer

The answer that most seriously weakens the passage's argument is that part of the reason teachers complain of a lack of lesson planning is that they must use their free time, which is unpaid. If part of the reason for ranking a lack of planning time so highly on the list of complaints has to do with using unpaid time, then the assertion that teachers are not underpaid or do not complain about their pay does not hold, and the reasoning is undermined.

In a Survey of 2,000 High School Teachers, the Majority