**Core Concept**
The question is testing the concept of acoustic trauma, a type of noise-induced hearing loss caused by exposure to high-intensity sounds. Acoustic trauma can lead to damage to the hair cells in the cochlea, resulting in permanent hearing loss.

**Why the Correct Answer is Right**
The correct answer is due to the mechanism of acoustic trauma. Sudden, loud sounds, also known as impulse noises, can cause a sudden increase in pressure in the ear, leading to a rapid displacement of the fluid in the cochlea. This displacement can cause the hair cells to become dislodged or damaged, resulting in permanent hearing loss. In contrast, prolonged sounds, such as those from music or machinery, may cause damage to the hair cells due to the cumulative effect of the sound over time, but the damage is typically less severe than that caused by a sudden, loud sound.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not provide a clear explanation for why sudden loud sounds are more damaging than prolonged sounds.
* **Option B:** This option is incorrect because it suggests that the duration of the sound is the primary factor in determining the extent of damage, which is not the case.
* **Option C:** This option is incorrect because it does not take into account the mechanism of acoustic trauma, which involves the rapid displacement of fluid in the cochlea.

**Clinical Pearl / High-Yield Fact**
It's worth noting that the intensity of a sound is measured in decibels (dB), and sounds above 85 dB can cause hearing damage. Prolonged exposure to sounds above 85 dB can lead to noise-induced hearing loss, while sudden, loud sounds above 120 dB can cause immediate damage to the hair cells in the cochlea.

**Correct Answer:** C. The intensity of the sound, specifically the rapid increase in pressure in the ear, is the primary factor in determining the extent of damage caused by a sudden, loud sound.