结膜吸吮线虫病以婴幼儿居多的主要原因是()

A．与不良卫生习惯有关

B．与蝇类的繁殖数量有关

C．与蚊的繁殖数量有关

D．与饲养犬、猫有关

E．与蝇类直接接触婴幼儿眼部的机会多有关

__________ English has changed a lot over time and __________ English spoken between about AD 450 and 1150 was quite different.

A．/; the

B．/; /

C．The; /

D．The; the