Which excerpt from Chapter 3 of The Scarlet Letter is the best evidence that the stranger in the marketplace wants to keep his true identity a secret?

When he found the eyes of Hester Prynne fastened on his own, and saw that she appeared to recognize him, he slowly and calmly raised his finger, made a gesture with it in the air, and laid it on his lips.

By the Indian’s side, and evidently sustaining a companionship with him, stood a white man, clad in a strange disarray of civilized and savage costume.

A writhing horror twisted itself across his features, like a snake gliding swiftly over them, and making one little pause, with all its wreathed intervolutions in open sight.

There was a remarkable intelligence in his features, as of a person who had so cultivated his mental part that it could not fail to mould the physical to itself, and become manifest by unmistakable tokens.