Choose the correct word to fill in the blank. No sooner had the train arrived _________ the passenger rushed in.AwhenBthanCthenDthatAnswer: B. than Read Explanation: “No sooner … than” is a fixed correlative conjunction pair.It means one event happened immediately after another.After “No sooner”, we normally use “than”, not when, then, or th.Pattern:No sooner + had + subject + past participle + than + clauseExample:No sooner had I reached home than it started raining.No sooner did the bell ring than the students left the classroom. Read more in App