Step 1: Understanding the question.
This question asks about who translated or prepared the second edition (Dikki II) of a Garo-language textbook or literary work.
Step 2: Context.
In the history of Garo literature and education, Debra Ba’a is recognized as a significant contributor in revising and preparing editions of important texts used for Garo language education.
Step 3: Analysis of options.
- (1) A’kim — A name but not linked with Dikki II.
- (2) Nokna — Unrelated to this edition.
- (3) On’songa — Incorrect.
- (4) Debra Ba’a — Correct; known for preparing Dikki II (a key Garo language book).
Step 4: Conclusion.
Therefore, the correct answer is Debra Ba’a, who worked on Dikki II.