In 1941, a Swiss engineer was taking a walk in the woods. While out for a stroll, George de Mestral found some cocklebur.

The cocklebur was a plant comprised of an intricate, yet simple, combination of tiny seeds with thin strands or hooks.

What is the writer's attitude toward the new inventions?

• A. Inventors usually have help from a third party to perfect their design
• B. Labor and financial resources have led to useful inventions.
• C. Innate curiosity often leads to simple but important discoveries
• D. Walking in the woods is often helpful in coming up with new ideas.

What is the writer's purpose in the third paragraph?

• A. To explain about French textile factories
• B.To talk about different types of fasteners
• C. To demonstrate how lucky it is to get suitable nylon
• D. To show the difficulty of making an interlocking loop