The answer to this is D. It will be easier to eliminate some of the given choices when you know what a forebrain is. This refers to the anterior part of the brain. The other parts of the forebrain aside from the hypothalamus are the thalamus, cerebral hemispheres, and thalamus.
The hypothalamus is in charge of a lot of things such as releasing the hormones and making sure that your bodytemperature is regulated. Those who have issues with their hypothalamus may report that they sometimes experience blurred vision and other issues. They may not be getting the right amount of hormones that they deserve. The hypothalamus may also get injured when you are suffering from an eating disorder.