What is most closely the meaning of ghastly as it is used in the following passage?

By The grave and stern the corm of the continents it wore, “though thy crest be shorn and shaven, thou, “I said” , “art sure no craven, ghastly grim and ancient Raven wandering from the Nighty shore.

Options-
A: adjective | dreadful
B: adjective | unattractive
C: adjective | dead
D: adjective | pale