So, I understand that the argument is saying that because incidences of the flu were lower during the 6 months of the public health campaign, that means that the campaign was effective.
I chose C - there were fewer large public gatherings ...
For example, PT 126 Section 3 Question 14 ... problem across several PT's. For example, see PT 127, Section 2 ... evaluating answer choice D in PT19 Section 2 Question 18. < ... br />