__________(47)A.The amount of change was small he
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__________(47)
A.The amount of change was small,he said.
B.Another expert agreed that the ancient Indian practice of yoga might ease hypertension.
C.In the study,researchers tracked 58 women and men,aged 38 to 62,for six months.
D.Yoga is proved to be effective in lowering high blood pressure.
E.The study did have some limitations.
F. This may be because doing both required a greater amount of time,making it more difficult for participants to stick with their regimens.