人们跑来跑去,显然发生了不寻常的事情。 以下翻译文本中,哪个是正确的?
A.
People ran back and forth, obviously, something unusual had happened.
B.
People were running back and forth. Obviously, something unusual had happened.
C.
People were running back and forth. Obviously, something unusual had been happened.
D.
People ran back and forth, obviously, something unusual had been happened.