The three stanzas depict three different phases.

The correct answer is option 'C' - three phases were depicted in the poem by the poet. Let's break down the poem and analyze each phase in detail.

Phase 1: Childhood and Innocence
In the first phase of the poem, the poet describes the joys and innocence of childhood. This is evident in lines such as "The infant mewling and puking in the nurse's arms" and "And then the whining school-boy, with his satchel." The poet portrays the carefree nature of childhood and the gradual transition from infancy to school-going age.

Phase 2: Youth and Passion
The second phase of the poem depicts the passionate and rebellious nature of youth. The poet describes the "lover, sighing like a furnace" and the "soldier, full of strange oaths." This phase represents the intensity and vigor of youth, where emotions and desires run high. It signifies the stage of life when individuals pursue their dreams and face the challenges of love and war.

Phase 3: Old Age and Wisdom
The final phase of the poem portrays old age and the wisdom that comes with it. The poet describes the "lean and slippered pantaloon" and the "second childishness and mere oblivion." This phase represents the decline of physical strength and the accumulation of life experiences. It symbolizes the reflective and contemplative nature of old age, where individuals gain wisdom and perspective.

Conclusion
In conclusion, the poem by the poet depicts three phases: childhood and innocence, youth and passion, and old age and wisdom. Each phase represents a different stage of life and explores the emotions, experiences, and characteristics associated with that particular phase. The poem provides a comprehensive portrayal of the human journey from birth to old age, capturing the essence of each phase through vivid imagery and descriptive language.

Option C