Which of the following would NOT be considered a leap of logic?

A: That dagger had never been in the possession of the pacific and taciturn Hans. I knew him and his habits, too well.

B: It was so like our starting point, that I could scarcely doubt the reality of our position.

C: “Not at all. There is a very simple explanation, Harry. ...this must have belong to Hans”

D: “Harry,” he cried, “we are now on the verge of a great discovery.”

E: None of the above