Directions: In the question below, the first and the last (correctly ordered) sentences are numbered 1 and 6, respectively. The rest of the passage is split into four parts and named B, C, D and E. These four parts are not given in the proper order. Choose the correct combination from amongst the given alternatives.

1. At the age of 17, Cooper was apprenticed to a coach maker, whom he served so well that he was given a salary, and at the end of his apprenticeship was offered a loan to go into coach making on his own. B. A few years later, he saw opportunity in another industry and switched to supplying the rapidly growing markets for glue and isinglass, building up a large business he plunged into still another enterprise. C. Young Cooper instead went into the business of manufacturing and selling machines for shearing cloth. D. This was the Canton Iron Works, built on 3,000 acres of land in Baltimore, primarily to supply the new Baltimore and Ohio Railroad Company. E. The route of the railroad, however, was so hilly and twisting that English engineers despaired of running an engine over it.
2. Cooper at once undertook to build a suitable locomotive and by 1830 had the diminutive but powerful “Tom Thumb" experimentally pulling a load of 40 persons at 10 miles an hour.