What I want to ask is this: the door leading into Mrs. Inglethorp's room from that of Mademoiselle Cynthia, it was bolted, you say?"
It was bolted to keep out thieves.
mnli hypothesis: It was bolted to keep out thieves. premise: What I want to ask is this: the door leading into Mrs. Inglethorp's room from that of Mademoiselle Cynthia, it was bolted, you say?"