**Core Concept**
Aortic regurgitation (AR) is a condition characterized by the backflow of blood from the aorta into the left ventricle during diastole. This condition can lead to various hemodynamic alterations, resulting in different types of murmurs.

**Why the Correct Answer is Right**
Aortic regurgitation is typically associated with a diastolic murmur, classically described as a "blowing" or "rasping" sound, best heard at the left sternal border. This murmur is caused by the regurgitant flow of blood from the aorta into the left ventricle. In addition to the diastolic murmur, patients with AR may also exhibit a mid-systolic click and a mid-systolic ejection murmur due to the increased volume load on the left ventricle. However, a late systolic murmur is not typically associated with AR.

**Why Each Wrong Option is Incorrect**
* **Option A:** A late systolic murmur may be heard in patients with aortic stenosis, not aortic regurgitation. This murmur is caused by the delayed closure of the aortic valve due to stenosis.
* **Option B:** A mid-systolic click and a mid-systolic ejection murmur may be heard in patients with aortic regurgitation, especially those with a high-grade AR.
* **Option C:** A mid-systolic click and a mid-systolic ejection murmur may also be heard in patients with mitral valve prolapse, but this is not the correct answer in the context of aortic regurgitation.

**Clinical Pearl / High-Yield Fact**
In patients with aortic regurgitation, a diastolic murmur is typically heard at the left sternal border, and a mid-systolic click and a mid-systolic ejection murmur may be present due to the increased volume load on the left ventricle.

**Correct Answer:** A. A late systolic murmur is not typically associated with aortic regurgitation.