**Core Concept**
Inferior wall myocardial infarction (MI) involves the right coronary artery (RCA) territory, which supplies the posterior descending artery (PDA) and the inferior wall of the left ventricle. The best treatment modality for acute inferior wall MI is aimed at restoring blood flow to the affected area.

**Why the Correct Answer is Right**
The correct answer is **C. Thrombolysis**. Thrombolysis involves administering a clot-dissolving medication, such as alteplase, to break down the occluding thrombus in the RCA. This restores blood flow to the affected myocardium, reducing infarct size and improving outcomes. Thrombolysis is particularly beneficial in acute inferior wall MI due to the high risk of cardiac rupture and tamponade.

**Why Each Wrong Option is Incorrect**
* **Option A:** Primary percutaneous coronary intervention (PCI) is a better treatment option than thrombolysis for acute inferior wall MI, as it provides more rapid and effective reperfusion. However, it is not the best option when PCI is not immediately available.
* **Option B:** Angiotensin-converting enzyme (ACE) inhibitors are beneficial in the management of acute MI, but they are not a treatment modality for restoring blood flow to the affected area.
* **Option D:** Aspirin is an essential component of acute MI management but is not a treatment modality for restoring blood flow to the affected area.

**Clinical Pearl / High-Yield Fact**
In patients with acute inferior wall MI, the risk of cardiac rupture and tamponade is higher due to the involvement of the PDA and the inferior wall of the left ventricle. Early restoration of blood flow with thrombolysis or primary PCI is crucial to prevent these complications.

**Correct Answer:** C. Thrombolysis