Concept:The passage describes a profession devoted to shaping minds and souls, which clearly points to the teaching profession.
Explanation:The writer compares this vocation to that of a doctor, whose work leaves no room for error.
The writer says that life involves both the body and the mind.
Therefore, warping a soul is considered as great a sin as murder.
This focus on the mind suggests a role that nurtures and educates people.
The passage then directly mentions teachers from kindergarten to university level.
It calls them a noble army that performs daily feats without praise or decoration.
This army is always on the move, always vigilant, and without drums or uniforms.
Its mission is to plant the flag of knowledge and morality everywhere.
These tasks and ideals belong specifically to teachers.
Thus, the writer of the passage is a teacher.
Answer:C. teacher