In the following you will find sentences, part of which are `"bold"`. Compare the bold part of each sentences with the expressions (a) ,(b) and (c) given below.Choose the expression which is an improvement upon the bold part. If none of the three expression improves the sentences, then your answer is (d).
`"As soon as"` I walked into the building, I could hear the sound of a celebration in progress.

Options

A. no sooner had
B. sooner than
C. hardly
D. no improvement

Answer

D