Don't read ____ books ____ you can't understand. [ ]

A. such; that

B. so; that

C. such; as

D. so; as

小儿腹泻引起代谢性酸中毒的原因

A．腹泻丢失大量碱性物质

B．因热量摄人不足，使体内脂肪氧化增加，酮体生成增多

C．血容量减少，组织缺氧，乳酸堆积

D．呕吐，丢失大量胃液

E．尿量减少，酸性代谢产物不能及时排除