A. Create a dominant mood
Well an interjection is an exclamation so definitely not d or a in my opinion i say C
The technique that the author uses to build suspense in the excerpt is odd characters are introduced.
This is a technique often used in Gothic literature.
Explanation:
It is something which you can do beyond your expectations it means to cross the boundary, it means to challenge yourself, it also means to go beyond your limitations
I would explain with an example: if you want to learn Japanese in 3 months and you do it in 1.5 month then you have challenge yourself and gone beyond your expectation and you have defeated your limitation .
Thank u!