In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.
The revolt of 1857 happened d̲u̲r̲i̲n̲g̲ ̲t̲h̲e̲ ̲r̲e̲i̲n̲ of Bahadur Shah Zafar.

Options

A. in the rein off
B. in the reign of
C. during the reign of
D. No improvement

Answer

C