In 1943, marine engineer Richard James was working in a Philadelphia shipyard, trying to develop a spring that could stabilize sensitive naval instruments during storms. While working, he accidentally knocked one of his experimental steel springs off a shelf. To his amazement, the spring did not merely fall; it gracefully stepped down a stack of books, onto a tabletop, and then coiled itself upright on the floor. James immediately realized that this walking spring could make a wonderful toy. He and his wife, Betty, spent the next two years developing the product, eventually naming it the 'Slinky.' In 1945, they demonstrated the toy at a local department store, and all 400 units sold out within ninety minutes.
The writer wants to add a concluding sentence that emphasizes the toy's widespread and lasting popularity. Which choice best accomplishes this goal?
- AToday, the Slinky is recognized globally, millions of children still enjoy playing with the walking spring.
- BBetty James eventually took over the company, and she decided to keep the manufacturing plant in Pennsylvania.
- Since its debut, the Slinky has sold hundreds of millions of units worldwide, cementing its place as a classic American toy.Answer
- DConversely, other toys from the 1940s struggled to capture the public's attention in the same way.