Question: During a hurricane, a 1,200 Hz warning siren on the town hall sounds. The wind is blowing at 55 m/s in a direction from the siren toward a person 1 km away. With what frequency does the sound wave reach the person? (The speed of sound in air is 330 m/s.)
A: 1,000 Hz
B: 1,030 Hz
C: 1,200 Hz
D: 1,400 Hz
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option.