Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select No improvement.
The students stood up no sooner the Principal entered the class.

Options

A. no soon
B. as soon as
C. No improvement
D. soon

Answer

B

Explanation

“as soon as” should be used in place of “no sooner". "as soon as" to say that something will happen immediately after something else has happened.