Question

How did Bilbo discover the secret door into the mountain?

a
He found the secret keyhole.

b
He overheard Smaug talking about it in his sleep.

c
He fell into it accidently.

d
He found it behind a large stone.

Answer 1

He found the secret keyhole.

Step-by-step explanation:

trust me, i took the test.

Answer 2

It is C, he had fell into it by accident

I hope this helps and sorry if I am wrong.