汉译英：“动植物检疫；宰前兽医检验”，正确的翻译为( )。

A．animal and plant quarantine；antemodem veterinary inspection
B．antemortem veterinary inspection；animal and plant quarantine
C．animal and plant quarantine；detection of defects
D．detection of defects；antemortem veterinary inspection

试述班氏吴策线虫与马来布鲁线虫生活史及致病作用的异同点。