Q64. A unexpected spike in volcano activity (A)/ has forced authorities to evacuate (B)/ nearby villages as a safety (C)/ measure…

Question

Q64. A unexpected spike in volcano activity (A)/ has forced authorities to evacuate (B)/ nearby villages as a safety (C)/ measure to prevent casualties. (D)

1. A. A (Correct answer)
2. B. B
3. C. C
4. D. D
5. E. No error

Correct Answer

Option A — A

Detailed Solution & Explanation

The correct answer is Option A.

Key Points

• "Unexpected" begins with a vowel sound, so the article "a" must be "an": "An unexpected spike in volcano activity."