They have published all the details of the invention.

voice mcqs

A. All the details of the invention have been published by them.
B. The publication of the details of invention was done by them.
C. All the details have been invented by the publishers.
D. All the inventions have been detailed by them.

The given sentence is in active voice and it is in Present Perfect Tense.

Rule :
Subject + (has /have) + been + V3 + Other agents.

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