Answer: B) He is to be feared.
Explanation: In the given lines, we can see an indirect characterization of Creon, by Haemon, he says that the glaze of Creon makes the citizens afraid, and that they can't say anything that goes against what Creon likes to hear. So, according to the information given in those lines, about how the citizens were afraid of Creon (even just his glaze) we can say that they reveal that Creon is to be feared.