In the question given below, a part of the sentence is in bold and italicised. Below are given alternatives to the bold and italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose option 'D' as the answer.
No sooner he had returned home then his mother felt happy.
A.
had he returned home when
B.
he had returned home than
C.
did he return home than
D.
No improvement
Correct answer is C
No explanation has been provided for this answer.
