Read the passage below from “Marigolds” and answer the question.

I had indeed lost my mind, for all the smoldering emotions of that summer swelled in me and burst—the great need for my mother who was never there, the hopelessness of our poverty and degradation, the bewilderment of being neither child nor woman and yet both at once, the fear unleashed by my father’s tears. And these feelings combined in one great impulse toward destruction.

What is the meaning of the word smoldering as it is used in the passage above?

festering
foul
enduring
hateful