Which of the following sentences is written in the passive voice?

AThe effects of cyanide are well known.
BThey considered their options.
CHaving left the building, Elvis never returned.
DI would not provoke that man if I were you.

Verified Answer :

The
sentence that is written in the passive voice is letter C: Having left the
building, Elvis never returned.



It is a passive type of a sentence, meaning the
subject is indirect, with comma, or uses ‘by’ or im this case ‘with’. Here, the
verb used is past while in active sentence, the verb used is in present tense
and is direct in giving out information. If the sentence is changed into active
form of the sentence, it could be: