Which part of the mustard plant gives us oil?

Options

A. Stem
B. Flower
C. Seed
D. Root

Explanation

**Step-by-Step Solution:**

1. **Identify the Plant**: The question asks about the mustard plant. We need to focus on the parts of this plant to determine where the oil comes from.

2. **Understand the Parts of the Mustard Plant**: The mustard plant has several parts, including roots, stems, leaves, flowers, and seeds.

3. **Determine the Oil Source**: From the information provided, we know that oil is extracted from seeds. This is a common trait among many oil-producing plants.

4. **Process of Oil Extraction**: The seeds are harvested and then ground to extract the oil. This oil can be used for cooking and other purposes.

5. **Conclusion**: Based on the above points, we can conclude that the part of the mustard plant that gives us oil is the seeds.

**Final Answer**: The seeds of the mustard plant give us oil.

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