Final answer:
Juliet expresses a premonition of tragedy in her line envisioning Romeo as 'one dead in the bottom of a tomb,' indicating her bad feeling about their meeting.
Step-by-step explanation:
The lines that support the idea that Juliet has a bad feeling about their meeting come from her vivid and ominous imagery. The line "Methinks I see thee, now thou art so low, as one dead in the bottom of a tomb." (a) suggests that Juliet has a premonition of Romeo's death, envisioning him as dead in a tomb, which creates a sense of foreboding. This expression of anxiety showcases her intuition about their dire circumstances and the possible tragic outcome of their love.