People in the “search for identity” phase of personality development are usually between the ages of 17 to 20 years 20 and 40 years 65 and 85 years 18 months and 3 years

The answer would be A, 17 to 20 years.

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.