Megadiverse country i wud say Austrailia
It is A: The mood is bittersweet. It is unlikely he will ever find her but the search keeps him going. I took the test!
D. She feared that the cancer and the treatments would leave her infertile.
It's an example of a simile because it's comparing two things with "like
or "as".
Comment if the answer is right or wrong so other people that need this will be 100% sure.