Which of these details supports the supporting idea of the second section

Which evidence from the text best supports the idea that malcolm and donalbain believe they need to flee scotland before someone tries to murder them too?

Ill she not be here anon? is she not hurrying to upbraid me for my haste? have i not heard her footstep on the stair? do i not distinguish that heavy and horrible beating of her heart? what is the effect of parallelism in this excerpt? it emphasizes usher’s misunderstanding. it emphasizes usher’s love for his sister. it emphasizes usher’s psychological fixation. it emphasizes usher’s melancholy nature.

Boss: oh no! that’s the phone again! secretary: blank boss: . a. shall i take it? b. will you answer it? c. can you do me a favor? d. may i hang it up?