One minute she burst into_____, and the next she burst out_____. We just couldn't catch her mood at

any moment. [ ]

A. crying; laughter            

B. tears; laughing  

C. tears; laughter            

D. crying; laughing

根据我国《专利法》的规定，对下列各项不能授予专利权的是______

A．科学发现

B．动物品种

C．植物品种

D．疾病治疗方法

E．智力活动规则