Option 1: Vitamin B. This option is incorrect. Vitamin B can be obtained from various vegetables such as spinach, broccoli, peas, and mushrooms.

Option 2: Vitamin C. This option is incorrect. Vitamin C is abundant in vegetables like bell peppers, kale, strawberries, and citrus fruits.

Option 3: Vitamin D. This is the correct answer. Vitamin D is primarily obtained from sunlight exposure and is found in very few food sources. Vegetables do not naturally contain vitamin D.

Option 4: Vitamin E. This option is incorrect. Vitamin E can be obtained from vegetables such as spinach, Swiss chard, and nuts.

In conclusion, the correct answer is option 3, as vitamin D cannot be obtained from any vegetables.