I’m working on this SAT practice question and I’m stuck between answer choice A and C. Here’s the passage and the question: Hypothesizing that lullabies, characterized by their slow tempos, are universally calming to infants, Constance M. Bainbridge and colleagues played a lullaby sung in the Scottish Gaelic language and a non-lullaby sung in the Seri language to a group of infants. The team found that the infants' heart rates decreased more during the lullaby than during the non-lullab...
