They feared exceedingly (ἐφοβήθησαν φόβον μέγαν)
Lit., they feared a great fear.
What manner of man is this? (τίς ἄρα οὗτός ἐστιν)
The A. V. is rather a rendering of Matthew's ποταπός, what manner of (Mat 8:27), than of Mark's τίς, who. The Rev. gives it rightly: Who then is this ? The then (ἄρα) is argumentative. Since these things are so, who then is this