Question

When I wake up in the morning, I can hear the " tweet tweet" of bird outside my window

a idiom
b onomatopoeia
c irony
d personification

Answer 1

B onomatopoeia
Onomatopoeia is the formation of a word from a sound. Tweet Tweet is a sound the bird is making

Answer 2

The answer to the question given is "onomatopoeia" because you are giving information on the sound of what it is associated with such as the bird.

I hope this helps answer your question