Excerpt from act i, scene 1, in hamlet by william shakespeare

in this excerpt, the ghost of the dead king appears to a few soldiers.

[enter ghost, armed.]

bernardo
in the same figure, like the king that's dead.

marcellus
thou art a scholar; speak to it, horatio.

bernardo
looks it not like the king? mark it, horatio.

horatio
most like: —it harrows me with fear and wonder.

bernardo
it would be spoke to.

marcellus
question it, horatio.

what is the most likely meaning of the word harrows in this scene?

a. touches

b. disturbs

c. destroys

d. remembers