Question
A. This invention has helped us to heal wounds caused by
bacteria. B. Penicillin is one of the most useful drugs man has invented. C. In the beginning, however, very few people knew of this discovery and its use. D. Its use has saved the lives of hundreds of thousands of soldiers. Given below are four jumbled sentences. Pick the option that gives their correct order.Solution
B is the introductory sentence. ‘This invention’ in A refers to the invention of Penicillin mentioned in B. Statement talks about the use of Penicillin, and C mentions a contrasting fact.
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