Complete the sentence choosing the suitable word: No sooner did I get into the bus, __________ it began to rain.AthoughBthatCthenDthanAnswer: D. than Read Explanation: "No sooner did I get into the bus, than it began to rain."Explanation:The pair “No sooner … than” is a standard grammatical structure used to show that one action happened immediately after another.Structure:No sooner + auxiliary verb + subject + past participle + than + clauseExample:No sooner had he arrived than the meeting started. Read more in App