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contestada

which of the following sentences is used in a passive voice?
A. the effects of cyanide are well known
B. They considered their options.
C. Having left the building, Elvis never returned.
D. I would not provoke that man if I were you

Respuesta :

The correct answer would be sentenced C. Having left the building, Elvis never returned. 
The sentence used in the passive voice is A) The effects of cyanide are well known.
All other sentences are used in the active voice.