seven o'clock
`` No . '' `` Did any one call at your mother 's after you arrived there ? '' `` No one . My sister came in at seven o'clock , as usual , when she returned from her lesson . '' `` Before you went up to your rooms did you speak with any of the other lodgers ? '' `` No . '' There was a pause , and Florentin felt the judge 's eyes fixed on him with an aggravating persistency .