Active & Passive Voice - Objective Questions and Answers for Competitive Exams

Question

The smugglers did not realise that their conversation was being recorded.

A The smugglers recorded their conversation without realising.
B Conversation was recorded when the smugglers did not realise.
C Someone did not realise that the smugglers were record their conversation.
D The smugglers did not realise that someone who recording their conversation.
Answer & Explanation
Option: [D]