Answer:
A. Exploration
Explanation:
Because None of the rest would honestly fit, Safety doesn't make sense so that and security should have been wiped out. And Cavalry wouldn't either.
Must be able to know what you are hoping to teach.
go to college.
Idea, plot (I don’t think the second one is correct for sure)
I think the incorrect pronoun shift would be the line "<span>before you adopt a pet". I think it should be before one adopts a pet. This is because the sentence started with "It is". The "you" made the sentence very confusing. The second pronoun should be singular, the pronoun you is often denoted as plural and not singular.</span>