Select the option that contains only biodegradable wastes.

Options

A. Orange peel, Metal key, Roti
B. Cotton cloth, Mango fruit, Nylon wire
C. Aluminium can, keyboard, Plastic bag
D. Jute bag. Mouldy bread, Newspaper

Explanation

To solve the question of selecting the option that contains only biodegradable wastes, follow these steps:

### Step-by-Step Solution:

1. **Understand Biodegradable Waste**:
- Biodegradable waste refers to materials that can be broken down by microorganisms into simpler, non-toxic substances. Examples include food scraps, paper, and certain types of cloth.

2. **Analyze Each Option**:
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