"I cannot say. I placed my foot upon it instinctively."
"How long did you keep it there?"
"What caused you to move at last?"
"I was surprised."
"What surprised you?"
"A man came to the door."
"What man."
"I don't know. A stranger to me. Some one who had been sent on an errand connected with this affair."
"What did he say or do to surprise you?"