Recently some Japanese have been trying to make conflicts with China, ______ effects we are greatly

concerned.[      ]

A. to whose    

B. about whose    

C. to which    

D. about which

男性，55岁，冠心病，发生急性剧烈胸骨后疼痛，血CPK明显升高，颈静脉充盈，肝大，血压下降至80/40mmHg，应诊断为（）

A.冠心病合并急性心脏压塞

B.急性右心梗死

C.冠心病心力衰竭型

D.急性前壁心肌梗死伴泵衰竭

E.急性心肌梗死并室间隔破裂