Read this example: research question: how many countries already have compulsory voting? which excerpt from "compulsory voting: an idea whose time has come" best answers this research question? a. according to the institute for democracy and electoral assistance, about 32 countries around the world have some form of compulsory voting . . b. two examples are jury service and paying taxes. government cannot provide necessary services without revenue, nor can the justice system operate without juries. c. i measure candidates by the soundness of their ideas rather than by their ability to rile up resentments or appeal to my party platform. d. in the following 1924 election, voter turnout in australia climbed to 91% and has remained around 95% ever since.