The correct answer is D. Julia Child was famous for ending her cooking shows with a hearty “Bon Appetit” (enjoy your meal) and a wave to her television audience.
The phrase which is nonessential and doesn't really have to be included in this sentence is 'enjoy your meal.' This is the reason why it can be enclosed in brackets so as to show that its existence doesn't really affect the entire sentence.
The answer is D.) creating a plot
The meaning for incredible - something you can't believe.
I believe preamble was created to be able to give the people a correct justice and welfare.
Thus, this words are used as personification.
Why?
because this was referred to a person.
A person needs right welfare and justice that's why they pushed this preamble to be able to give the people what they deserve to have. And to be able to have an equal society for prosperous country.