“Mum, why do you always make me eat an egg every day?” “_____enough protein and nutrition as you are growing up.”

A．Get

B．Getting

C．To get

D．To be getting

引起人类血吸虫病感染的主要是

A．虫卵

B．毛蚴

C．胞蚴

D．尾蚴

E．成虫