C. Is the correct answer here. As we use on to signify something happening on a particular night in this case. Great job. Hope this helps.

C. On We use ON for particular days - on Wednesday, on March 30th, on Christmas day, on the weekend (US English) We use IN for parts of a day (in the morning), months (in April), years (in 2020) We use AT for holiday periods (at Christmas, at Easter), time of day (at 8:00pm)

C.