Hardly he had entered the station, when the train whistled.

Options

A. hardly he entered
B. hardly had he entered
C. no improvement
D. he hardly had entered

Answer

B

Explanation

hardly had he entered The correction should be made in the order of the words in order to make it grammatically correct. The adverb .hardly. must be followed by the verb .had.. The noun .T will come afterwards.So, the correct phrase will be .Hardly had he entered.. Hardly he had entered the station when the train whistled.