Write the next sentence in the following story.

How to ease symptoms of ibs naturally
Avoid eating insoluble fiber.
Some individuals who suffer from ibs are sensitive to foods that are high in insoluble fiber, such as wheat, cereals, bran and pasta. Other foods like nuts, seeds, popcorn, crackers contain moderate amounts of insoluble fiber.

Possible answers:
(a). Avoid eating spoiled bread, processed products, frozen vegetables, fast foods like candy and pastries, and refined grains. In addition to fiber, minerals will help to improve symptoms of ibs.
(b). These foods can irritate the intestinal lining. Avoid eating these foods unless you have some sort of stomach problem, as they will push your stomach apart allowing more space for the fiber to escape.
(c). Following normal eating habits will go a long way towards relieving your symptoms. Look for clinical information to help differentiate the symptoms from ibs.
(d). Like fat, the insoluble fiber is a gastrointestinal stimulant. Insoluble fiber in fruits, veggies and grains can't be easily broken down during digestion.. The answer should be
(d).