从口腔临床交叉感染的病原学考虑，最危险而又最典型的感染是( )

A．细菌感染

B．病毒感染

C．真菌感染

D．原虫感染

E．以上均正确

Dear students, please read every sentence carefully. ______you are, ______mistakes you’ll make.

A．The more carefully, the fewer

B．The more careful, the less

C．The more carefully, the less

D．The more careful, the fewer