英语题（要解释）It was in this house -----he heard some strage sound

英语题（要解释）It was in this house _____he heard some strage sounds.Athat Bwhere Cwhich DwhoIt was in this house _____he heard some strage sounds. Athat Bwhere Cwhich DwhoMy mum would like me to go home early,but I -----------here a bit longer to enjoy myself.Astay Bhave stayed Cstayed Dam staying