Which of these lines would support the answer to the answer to the question of why malcolm and donalbain feel they need to leave scotland?

a. "theres's warrant in that theft/which steals itself when there's no mercy left."
b. "to show an unfelt sorrow is an office / which the false man does easy."
c. "what will you do? let's not consort with them."
d. "therefore, to horse, / and let us not be dainty of leave-taking"