阿摩線上測驗
18 Based on the study discussed in the passage, what specifically causes the relaxation response?
(A) The happy mood.
(B) The heart rate.
(C) The exercise.
(D) The exhale.
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統計： A(0), B(5), C(0), D(21), E(0) #2771273
統計： A(0), B(5), C(0), D(21), E(0) #2771273
