The rhyme scheme of the stanza you provided from Dylan Thomas's poem "Do Not Go Gentle into That Good Night" is A) abaaba.
Here's how it breaks down:
- "night" (A)
- "day" (B)
- "light" (A)
- "right" (A)
- "lightning" (B)
- "night" (A)
So the correct answer is A) abaaba.