What were the worst things that happened to Rifka? In the book, “letters from rifka”

The correct word to complete the sentence

Which of the following sentences most clearly uses topical organization? a. do you have problems with mosquitoes and gnats? fabulous exterminators can ! b. we've gathered at this conference to discuss three things: poverty, war, and disease. c. killer bees have spread up from south america into mexico and the united states. d. first, gather all the painting supplies you need. next, lay them out on a work bench.

Iam trying to  get  a call through to san francisco. (send, put)