高考英语 ——There is nothing quite as exciting as watching an NBA

高考英语
——There is nothing quite as exciting as watching an NBA game____a last-second three-pointer changes tne result.
——Absolutely right.Some moments will be kept in memory for ever.
A.that B which Cwhere C when
这是个定语从句吧?为什么选C 不选D呢?我觉得some moment是when的暗示啊!