In this task, you will be presented with a multiple-choice question in Persian, and you should answer the question based on your knowledge. Classify the answers based on options.

Let me give you an example: نسبت .... به باران ، مثل دلتنگی است به .........؟ <sep> (A) ابر ، آسمان (B) ابر ، گریه (C) برف ، غصه (D) زمستان ، گریه
The answer to this example can be: B
Here is why: This is a good example, and the answer is correct.

OK. solve this:
از مهمترين دانش هايي كه در ميان مردم سومر پيشرفت چشمگيري كرده بود چه بود؟ <sep> (A) رياضي (B) قانون (C) نجوم (D) فلسفه
Answer:
C