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Problem 2 - Entrance Test

Arrange the following sentences to form a coherent paragraph: A) The discovery of penicillin revolutionized the treatment of bacterial infections. B) However, the overuse of antibiotics has led to the emergence of drug-resistant strains. C) This resilience is a natural evolutionary response to selective pressure. D) Microorganisms have developed increasingly sophisticated mechanisms to combat antibiotics. E) As a result, the search for new antibacterial agents remains a pressing priority.

Correct: C

A sets the context of penicillin's impact. B introduces the problem of overuse. D explains the microbial response. C provides a logical explanation of the resilience. E concludes with the ongoing challenge. ADDBE leads to the correct sequence: ADBEC.