Which sentence contains a dangling modifier?
Built by John Augustus Roebling, America’s oldest existing suspension aqueduct is in Laxawaxen, Pennsylvania.
A pioneer in the building of suspension bridges, John Augustus Roebling was the first to use steel cables.
Designed by John Augustus Roebling, the Brooklyn Bridge spans 1,595 feet across the East River.
Born in Germany, America became John Augustus Roebling’s home in 1831.