The sentence should be written like.
"Our holiday should of been relaxing, but it was very stressful."
The word or phrase that best connects the ideas in the sentences in question is D, that is, your anwer would be "in contrast".
The first part of the passage shows that we should have the right to choose sodas or snacks if we want to, we should be given the right to do that. On the contrary, the second part of the passage talks about that sometimes having too many options is not a good thing and it makes us unable to make the right choice.
Answer:
It adds more vibrance to his life
Explanation:
since his whole life, everything has been nothing but black white and grey
The children dispersed when playtime started on Wednesday.