关于过敏性肺炎,下列哪项不是其诊断要点()
A.症状轻或无症状
B.血中嗜酸性粒细胞增多
C.病灶具有迁移性
D.病灶易形成空洞
E.病变短期内吸收
参考答案:D
—Do you know Li Na?
—Of course. She's a great tennis player _______ comes from Hubei, China. [ ]
A. who
B. what
C. which