Anthropologist Barbara Myerhoff furthered her reputation as an authority on Native American culture with her study of the symbols, myths, and rituals of the Huichol people. ()

A. deserved

B. retained

C. renewed

D. advanced

下列不是慢性龈缘炎自觉症状的是

A．刷牙或咬硬物时牙龈出血

B．牙龈局部发痒

C．牙龈经常出现自发性出血

D．牙龈肿胀感

E．口腔异味