Final answer:
The transformation of repressed anger in the second stanza of 'A Poison Tree' is described as becoming a living entity, thriving when nourished.
Step-by-step explanation:
The best description of the transformation of repressed anger in the second stanza of 'A Poison Tree' is C) It becomes a living entity, thriving when nourished.
In the second stanza of 'A Poison Tree,' the speaker describes how they nourish their anger against their foe. The water and sun their anger, allowing it to grow and thrive like a plant. This is shown in the line 'And I watered it in fears,' suggesting that the speaker feeds their anger with their fears and negative emotions.
The transformation of repressed anger into a living entity is further emphasized in the following lines, 'And it grew both day and night,/Till it bore an apple bright.' The anger has grown to the point where it bears fruit, representing the destructive consequences of holding onto repressed anger.
Overall, the second stanza of 'A Poison Tree' portrays the transformation of repressed anger into a thriving, living entity when nourished with negative emotions and fears.