Official Explanation
The primary purpose of the passage is to
The author’s purpose is sometimes presented at the end of the passage, as is the case with this passage, which ends with the growing emphasis on bringing down the cost of back office operations is bound to offer increasing scope for Indian firms to become involved in novel types of ever more complex business processes.
Choice (B) presents the best paraphrase of this statement. Choices (A) and (C) are too broad; choices (D) and (E) are not supported by the passage.
Answer: B