midnight
Then for a moment there was silence , and Carroll ate his breakfast . It was Major Arms who broke the silence . `` You got in last night , '' he said , with scarcely an inflection of interrogation . But Carroll replied , `` I was in the hotel at midnight . '' `` We have been frightfully busy since you left , Arthur dear , '' said Mrs. Carroll . `` It is a tremendous undertaking to make a wedding . '' `` How do the preparations go on ? ''