Answer:
The Rainbow Bridge is the theme of several works of poetry written in the 1980s and 1990s that speak of an other-worldly place where pets go upon death, eventually to be reunited with their owners. Each has gained popularity around the world among animal lovers who have lost a pet or wild animals that are cared for.
Explanation:
D it's comparing two unlike things maybe a but that doesn't really compare two things
O yes because the summary includes options.