- Step 1: Identify the opening sentence. Sentence A introduces the recycling program, setting the context.
- Step 2: Determine the sequence. Sentence B states the program's goal, following A. Sentence C describes resident education, a logical step after the goal. Sentence D concludes with participation results.
- Step 3: Test sequence A, B, C, D. A: City introduces program. B: Program's goal. C: Education efforts. D: Participation success. This is coherent.
- Step 4: Evaluate options. Option (1) A, B, C, D is logical. Option (2) A, C, B, D places education before the goal, less logical. Option (3) B, A, C, D starts with the goal without context. Option (4) C, A, B, D starts with education without introducing the program.
- Step 5: Verify coherence. A, B, C, D flows naturally.
- Step 6: Conclusion. Option (1) is correct.