**Core Concept**
The differentiation between Hodgkin's and Non-Hodgkin's Lymphoma is crucial for treatment and prognosis, involving various histological, immunophenotypic, and genetic factors. **Hodgkin's Lymphoma** is characterized by the presence of **Reed-Sternberg cells**, while **Non-Hodgkin's Lymphoma** encompasses a broad range of lymphoid malignancies.

**Why the Correct Answer is Right**
Since the correct answer options are not provided, let's discuss the general approach to differentiating these lymphomas. Typically, features like the presence of **Reed-Sternberg cells**, **immunophenotyping** (e.g., CD15 and CD30 positivity in Hodgkin's), and specific **genetic alterations** are used. The absence of specific options makes it challenging to pinpoint why one cannot be used for differentiation without knowing the options.

**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of Option A, it's impossible to provide a precise reason for its incorrectness.
**Option B:** Similarly, without knowing what Option B entails, we cannot accurately describe why it's incorrect.
**Option C:** The same applies to Option C, as the lack of information prevents a detailed explanation.
**Option D:** Option D's incorrectness also cannot be specified due to missing details.

**Clinical Pearl / High-Yield Fact**
A key point in differentiating between these lymphomas is the presence of **Reed-Sternberg cells** in Hodgkin's Lymphoma, which is a hallmark feature. Understanding the **immunophenotypic profiles** of both types is also crucial for accurate diagnosis.

**Correct Answer:** Correct Answer: D. Cell Morphology