**Core Concept:**
The question is about anemia evaluation and hemoglobinopathies, specifically discussing laboratory findings and their interpretation. It involves understanding microcytic anemia, target cells, and hemoglobin electrophoresis results.

**Why the Correct Answer is Right:**
The correct diagnosis in this scenario is **D. Beta-Thalassemia Intermedia**.

The patient presents with the following laboratory findings:
1. Hemoglobin level of 9.5 g/dL is low, indicating anemia.
2. Mild microcytosis and hypochromia suggest a reduced red blood cell size and hemoglobin concentration, respectively.
3. Target cells are abnormal red blood cells with bulging, concave surfaces. They are often seen in beta-thalassemias.
4. Hemoglobin electrophoresis shows a mild increase in hemoglobin A2 (7.5%). In beta-thalassemias, A2 levels are usually normal or slightly elevated.

**Why Each Wrong Option is Incorrect:**

A. Although the patient has anemia, the given findings are not specific to beta-thalassemia.
B. The described findings are not consistent with sickle cell anemia.
C. While the patient has microcytic anemia, the electrophoresis results are not typical for sideroblastic anemia.

**Appropriate Management:**
In the case of beta-thalassemia, the patient would benefit from:
1. Iron supplementation to treat iron deficiency.
2. Blood transfusion therapy as needed to manage severe anemia and its complications.
3. Palliative care in severe cases to improve quality of life.
4. Prenatal diagnosis for at-risk pregnancies and family planning.

**Why the Correct Answer is Right:**

Beta-thalassemia is a hereditary disorder affecting hemoglobin production. It can be classified as major or minor, depending on the severity of symptoms. In beta-thalassemia intermedia, the patient exhibits milder symptoms and a less severe course compared to beta-thalassemia major.

**Clinical Pearl:**
A high index of suspicion and appropriate testing, including hemoglobin electrophoresis, are crucial for diagnosing thalassemias. This helps in early intervention, management, and counseling for at-risk couples.