**Core Concept**
The management of a liver abscess, particularly one caused by amoebiasis, involves a combination of aspiration, systemic anti-amebic therapy, and in some cases, luminal amebicides to eradicate the parasite from the intestinal tract. The goal is to prevent recurrence and ensure complete healing of the liver cavity.

**Why the Correct Answer is Right**
Given that the patient has undergone aspiration multiple times and has been treated with systemic and luminal amebicides, the next step involves monitoring for complete resolution of the abscess cavity. This typically requires imaging follow-up, such as ultrasound or CT scans, to assess the size of the cavity and to ensure that it is decreasing in size or has resolved, indicating successful treatment.

**Why Each Wrong Option is Incorrect**
**Option A:** Without more context, it's hard to judge, but typically, follow-up would not immediately involve another procedure without assessing the current state of the abscess.
**Option B:** Similar to Option A, the appropriateness depends on the specifics of the case, but follow-up is generally less invasive.
**Option C:** This might be part of the follow-up but is not the only or necessarily the primary method.
**Option D:** This could be considered if there were signs of ongoing infection or failure of the current treatment plan.

**Clinical Pearl / High-Yield Fact**
A key point in managing liver abscesses, especially those of amoebic origin, is to ensure that the patient receives both systemic and luminal therapy to cover both the extraintestinal and intestinal forms of the parasite, reducing the risk of recurrence.

**Correct Answer:** D. Follow up with ultrasound of liver.