In my family,my mother is always the first one _________ and the last one _________. [ ]

A. get up; go to bed

B. to get up; go to bed

C. to get up; to go to bed

D. get up; to go to bed

乙型脑炎病毒下列哪项描述不正确

A．属虫媒病毒

B．其基因组结构为单股DNA

C．该病毒引起的乙脑为自然疫源性疾病

D．病毒抗原稳定

E．为嗜神经病毒