**Core Concept**
The middle cerebral artery (MCA) is a critical artery that supplies a significant portion of the brain, including parts of the frontal, parietal, and temporal lobes. Infarcts in the territory of the right MCA can lead to a variety of neurological deficits. Understanding the typical features of such infarcts is essential for diagnosis and management.

**Why the Correct Answer is Right**
Since the specific options are not provided, a general approach to MCA territory infarcts will be discussed. Typically, a right MCA infarct would result in left-sided hemiparesis or hemiplegia, left homonymous hemianopia, and possibly aphasia if the dominant hemisphere is involved.

**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of Option A, it's challenging to provide a precise explanation. However, if it pertains to a common symptom like hemiparesis, it would be an expected feature, not an incorrect one.
**Option B:** Similarly, without specifics, if Option B refers to a typical cognitive or sensory disturbance associated with MCA infarcts, it would be considered a usual feature.
**Option C:** If this option describes an uncommon or atypical presentation, it might be the correct answer due to its deviation from the usual clinical picture.
**Option D:** Again, lacking the details, if Option D represents a standard consequence of right MCA infarction, such as visual field defects, it would not be the correct choice.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that the MCA supplies a significant portion of the lateral surface of the brain, and its occlusion can lead to profound neurological deficits, including motor, sensory, and cognitive impairments. The specific pattern of deficits can help localize the lesion.

**Correct Answer:** Correct Answer: D. Lack of left hemiparesis