A team hypothesized that heart rate would increase when a subject heard their child cry. A subject's average heart rate was 80BPM when they listened to a recording of their child crying and was 90BPM when the recording was not playing. Which is correct?

a) Average heart rate decreased when listening to crying, and this supported the hypothesis.
b) Average heart rate increased when listening to crying, and this supported the hypothesis.
c) Average heart rate decreased when listening to crying, and this did not support the hypothesis.