Answer:
The answer would be A, 17 to 20 years.
Step-by-step explanation:
Search for identity is the stage in the human life which starts when a person is in the transition from adolescence to adulthood. Adolescence is the stage when a person is moving from his childhood towards the adulthood. In this stage big changes come in a person's life. He is moving from high school to college life. He strives the search for his identity. He wants to know the 'hidden him'. He wants to explore himself. He wants to know what he is capable of doing. In short, he searches his identity during these years of his life.