Correct option is C
Option (c) is the correct order of the given sentences.
· Sentence C logically follows Sentence 1, as it explains the examination of the tea leaves after Robert Bruce's discovery.
· Sentence A follows C, providing information about the species similarity to Chinese tea, linking the discovery to its significance.
· Sentence D comes next, introducing Mr. Maniram Dewan and the establishment of the commercial tea plantation, showing the progression from discovery to cultivation.
· Sentence B follows D, describing the expansion of the tea industry by 1862, leading smoothly to the concluding Sentence 6 about the region becoming a major tea-producing area.