TOEFL Listening: TPO-TOEFL阅读TPO - Z5A2O28J5S2A1JJ5N$

It can be inferred from the discussion of illness and curing in paragraph 2 that A. the Navajo consider illness to always have a supernatural cause B. rituals involving songs and sand paintings may be used to treat an illness C. when a Navajo is ill, ugly and disorderly sand paintings are made D. after a serious illness, a Navajo will take part in a ceremony