Answer:
They both make process payment s and book travel packages tourists
D because it has a literal meaning which the others dont
The noun clause that completes the sentence and makes it grammatically correct is what I want to do in the future.
Teaching is what I want to do in the future.
I say it is probably b because law is a list of rules to go by ladder don’t really know but pretty sure it doesn’t mean that I’m assuming it is b because we learned that a long time ago but don’t know if it the same meaning for you