We had hardly sat down for supper ............................. the bell rang.AandBsoonerCwhenDuntilAnswer: C. when Read Explanation: Correct sentence:👉 We had hardly sat down for supper when the bell rang.Explanation:The structure hardly … when is a fixed grammatical pattern in English.It is used to show that one action happened immediately after another.📌 Rule to remember:Hardly / Scarcely / Barely + past perfect → when + simple pastExamples:Hardly had I reached home when it started raining.Scarcely had she spoken when the bell rang. Read more in App