选择性动脉栓塞术主要应用于以下疾病，除了（）

A.胃、十二指肠、肾、肝等脏器急性动脉性出血的止血

B.手、足小动脉急性出血

C.动静脉畸形或异常

D.某些手术前的处理

E.肾、肝、盆腔脏器等原发或转移性肿瘤的姑息性治疗

Besides the electrons, an atom also contains positive electrical particles()total charge must be equal to that of the electrons.

A. which

B. that

C. whose

D. of which