**Core Concept**
The underlying principle being tested is the diagnosis of acute abdominal conditions using imaging studies, specifically X-rays. This requires knowledge of **radiological signs** and **clinical correlations** of abdominal pathologies.

**Why the Correct Answer is Right**
The correct answer is based on the identification of specific radiological findings on the X-ray, such as **air-fluid levels** or **obstructive patterns**, which are indicative of intestinal obstruction. This condition leads to **obstipation**, which is the inability to pass gas or stool.

**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because it does not typically present with obstipation.
**Option B:** Incorrect as it usually has a more gradual onset.
**Option D:** Incorrect because it is not characterized by the radiological findings seen in this case.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that **intestinal obstruction** can lead to severe complications if not promptly diagnosed and treated, including **ischemia** and **perforation**.

**Correct Answer:** D. Intestinal Obstruction