Step 1: Understanding fabric types.
- (A) Cotton: Cotton fabric is breathable, light, and comfortable, making it ideal for the summer season as it helps keep the body cool.
- (B) Silk: Silk is a luxurious fabric, but it is not as breathable as cotton and can be less comfortable in hot, humid weather.
- (C) Nylon: Nylon is a synthetic fabric and is not the best for hot weather as it doesn't allow the skin to breathe, which can cause discomfort in the summer.
- (D) Wool: Wool is heavy and is more suitable for colder weather. It is not ideal for the summer season.
Step 2: Identifying the suitable fabric for summer.
Cotton is the most suitable fabric for the summer season because it is lightweight, breathable, and helps absorb sweat.
Final Answer:} (A) Cotton.