Answer:
Dinosaurs coming back and killing me.
Explanation:
This is irrational because dinosaurs will never come back to life (yes i love Jurassic Parks too, but that is impossible).
Answer:
it gives it more character and emotion
The speaker comforts himself into believing that the tapping sound is a visitor who has come to see him.
Hope this helps :)
The play might plausibly be dated to 1595. It can't be any later than 1596, or any earlier than 1591.