The correct answer is A. Divine.
A mortal is a being that is subject to death. This includes all living things, as well as some fictional creatures such as vampires and zombies. Mortals are typically contrasted with immortal beings, such as gods and angels, who are not subject to death.
B. Immortal is a term used to describe something that cannot die. This can refer to a physical object, such as a star, or a non-physical entity, such as a soul. Immortality is often associated with divinity, as gods are typically considered to be immortal. However, there are also many fictional examples of immortal mortals, such as vampires and superheroes.
C. Spiritual is a term used to describe something that is related to the spirit or soul. This can refer to religious beliefs, such as the belief in a higher power, or to personal experiences, such as a feeling of connection to something greater than oneself. Spirituality is often associated with religion, but it can also be found in secular contexts, such as in the arts and in nature.
D. Eternal is a term used to describe something that lasts forever. This can refer to a physical object, such as a mountain, or a non-physical entity, such as a concept. Eternity is often associated with divinity, as gods are typically considered to be eternal. However, there are also many fictional examples of eternal mortals, such as the character of Gandalf in The Lord of the Rings.