Active listening involves: A. indicating that you are paying attention to the speaker by giving verbal and nonverbal feedback B.
thinking of follow-up questions while the speaker is talking C. agreeing with what the speaker is telling you D. saying "yes" and "I hear you" in response to the speaker E. nodding your head in rapid succession to indicate agreement with the speaker
I believe it is option "D.) The flu vaccine is not reliable enough to be worthwhile" It would have a negative impact on the economy due to people not spending money to have the flu vaccine.