Choose the correct passive voice: "The hikers spotted a rare bird during their trek."
- A. A rare bird was spot by the hikers during their trek.
- B. A rare bird was spotted by the hikers during their trek. ✓
- C. A rare bird has been spotted by the hikers during their trek.
- D. A rare bird is spotted by the hikers during their trek.
Correct answer
B. A rare bird was spotted by the hikers during their trek.
Explanation
Simple past active becomes simple past passive: 'was spotted'.