Final answer:
The word from the poem that has a similar meaning to "smoulder" is A) "Glow" (line 4), which signifies a gentle and persistent heat and light.
Step-by-step explanation:
The word "smoulder" in the poem suggests a process of burning slowly with smoke but no flame, often associated with a dying fire or ember that still retains its heat. The word that has a similar meaning to "smoulder" and is present in the poem is A) "Glow" (line 4).
While "Blaze" suggests a much stronger and more visible form of burning, "Flicker" indicates an unsteady light, and "Sizzle" refers to a hissing sound made by something being fried or cooked, "glow" signifies a gentle and persistent heat and light, which is most akin to smouldering.