关于血清学试验，叙述错误的是()

A．依据的原理是：抗原和抗体在适宜条件下，在体外发生特异性结合

B．可用已知抗原测未知抗体

C．用已知抗体测抗原称血清学诊断

D．也可用已知抗体测未知抗原

E．血清学诊断常用于疾病的辅助诊断

It is reported that up to now, mountain slides have cut off more than ten villages from the outside

world, ______more than 100 hundred people alive and ______ many houses.     [ ]

A. buried; destroyed  

B. burying; destroying  

C. to bury; to destroy  

D. being buried; being destroyed