The large intestine is the answer to this question which means that A is the answer. The digestive system may be composed of different parts but it is the large intestine that is in charge of getting rid of the water and making the feces solid before they can be defecated.
Those that are removed from the body are considered to be useless. The large intestine is also known to have some major parts such as the cecum wherein the appendix is located. The second major part is known as the colon and this can be divided into three parts namely ascending, transverse, and descending. The last major part of the colon is known as the sigmoid.