被后人誉为＂微生物学之父＂的是（  ）。

A．列文．虎克

B．弗莱明

C．达尔文

D．巴斯德

From the deep valley ______, which had my heart in my mouth.

A．came a frightening sound

B．a frightening sound came there

C．did a frightening sound come

D．a frightening sound did come