Select the correct active form.
"By whom is this rule obeyed?"
Show answer & explanation
Correct answer: C
Explanation
Passive to active voice conversion:
Tense Identification: The passive sentence uses "is... obeyed," which indicates the Simple Present Tense.
Subject-Verb Transformation: In passive voice, "By whom" transforms back to "Who" as the subject in active voice.
Active Structure: For the Simple Present tense, the active question structure for "Who" follows: Who + Verb (s/es) + Object?