The correct answer is: A. PQSR
Here is a brief explanation of each option:
- Option A (PQSR): This is the correct sequence. The first sentence (S1) introduces the topic of economics. The second sentence (P) states that what makes economics a distinctive science is not what it deals with, but how it organizes and analyzes its materials. The third sentence (Q) provides an example of how economics organizes and analyzes its materials. The fourth sentence (R) states that the list of topics that economics deals with can be greatly extended. The fifth sentence (S) states that economics is a particular view of reality. The sixth sentence (S6) provides an example of how economics views reality.
- Option B (QPSR): This is not the correct sequence. The second sentence (P) states that what makes economics a distinctive science is not what it deals with, but how it organizes and analyzes its materials. However, the third sentence (Q) provides an example of what economics deals with. This is not consistent with the statement in the second sentence.
- Option C (RQPS): This is not the correct sequence. The third sentence (Q) provides an example of how economics organizes and analyzes its materials. However, the fourth sentence (R) states that the list of topics that economics deals with can be greatly extended. This is not consistent with the example provided in the third sentence.
- Option D (RSPQ): This is not the correct sequence. The fourth sentence (R) states that the list of topics that economics deals with can be greatly extended. However, the fifth sentence (S) states that economics is a particular view of reality. This is not consistent with the statement in the fourth sentence.