—What was strange about yesterday?

—There were black clouds and loud thunder, but _____, it didn’t rain.

A．more or less

B．up to you

C．it was a pity

D．funnily enough

引起吸入性肺炎的细菌，多见于：（）

A．厌氧菌和需氧菌的混合感染

B．霉菌

C．需氧菌

D．厌氧菌