BRICS is the first letter of its five member counries. The five members are Brizil, Russia ,India ____________and South Africa.

A．Canada

B．Australia

C．China

D．Ameica

肺灌注显像的临床应用价值（）

A.肺动脉栓塞的诊断和疗效判断

B.肺动脉高压的诊断和鉴别诊断

C.肺部肿瘤切除手术适应证的选择、术后肺功能预测

D.慢性阻塞性肺疾病手术前适应证的选择、手术部位和范围的确定

E.疑大动脉炎综合征等疾病累及肺血管者