Which of these is not an example of a compound sentence? a. Artichokes used to be considered exotic, but now they appear fairly frequently on menus. c. She took the most beautiful photographs of Yosemite Park that I have ever seen. b. The Green family takes the recycling process very seriously; they have a bin for everything. d. The mosquito problem was horrible this year, but I did not hear of any cases of West Nile virus. Please select the best answer from the choices provided A B C D