Who among the following has written a famous book entitled Choosing a Vocation?

Correct option is A

Frank Parsons is known as the "Father of Vocational Guidance." His book, Choosing a Vocation (1909), outlines systematic methods for career selection based on individual traits and work demands.
Information Booster:
1. Pioneered vocational psychology.
2. Proposed the "Trait-and-Factor Theory" of career choice.
3. Emphasized aligning personal abilities with job requirements.
4. His principles still influence modern career counseling.
5. Prominent figure in education and psychology.