They elected him captain. (Passive)

  1. He was elect captain by them.
  2. He is elected captain by them.
  3. Captain was elected him by them.
  4. He was elected captain by them.
Answer

D) He was elected captain by them.

Object complement stays after the verb. Active & Passive Voice · Special cases

English MCQ · More English: Active & Passive Voice MCQs · Practise