Researchers Were Interested in the Effects of Alcohol Consumption on the Perceived

Researchers were interested in the effects of alcohol consumption on the perceived attractiveness of members of the opposite sex. One group of participants was given 4 drinks containing alcohol, another group was given 4 drinks that didnot contain alcohol, but both the alcoholic and nonalcoholic drinks tasted identical. A final group was given no drinks at all.Next, all three groups of participants rated the attractiveness of members of the opposite sex by viewing pictures and rating attractiveness on a 1-to-10 scale. Which group was the placebocontrol group?

A) group that did not receive any drinks
B) group that received 4 alcoholic drinks
C) group that received 4 nonalcoholic drinks
D) There was no placebo control group.