The predicate would be Laugh
I would say that the answers are
Romanticism
Genre
Elements, and
Illusion
A doesn't make sense since McDonald's is anything but healthy, B also doesn't make sense because kids aren't trying to be "financially independent" usually, and D doesn't make sense either since they never mention corporate values, so I believe that C is the correct answer
Answer is “until” This is because if the government gives them what they went then there’s no need for the strike, so “because” is wrong. Same applies for “Whether” and “Once”