Sentences of a paragraph are given in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
A. But now complicated surgeries can be carried out without inflicting pain.
B. Long ago when an operation was performed, the patient suffered terrible pain as he felt
the surgeon cut into his flesh.
C. James assisted his village doctor in boyhood and was most disturbed by the unbearable
pain of the patients who came to the hospital.
D. This has been possible because of James Simpson, who first discovered the pain-killing
power of chloroform.

Correct option is B

This passage explains the progression from painful surgeries to the discovery of chloroform by James Simpson.
· B (Long ago... pain as he felt the surgeon cut into his flesh): Introduces the historical context, describing the excruciating pain during early surgeries.
· A (But now... without inflicting pain): Presents the contrast of how modern surgeries have alleviated pain.
· D (This has been possible because of James Simpson... power of chloroform): Explains how the change was made possible by Simpson’s discovery.
· C (James assisted... unbearable pain of patients): Adds background about James Simpson’s early experiences that inspired his discovery.
Correct sequence: BADC