Choose the word or phrase that best matches the word in italics. to those who don't research the candidates, voting for a president could seem arbitrary doubtful frightening unimportant unsupported

Bella is going to write a research paper. she chose sports as her topic, but her teacher said she must narrow or limit her topic. choose the topic that limits the broad topic of sports the most. a) a history of sports in the united states b) a history of tennis c) rules and etiquette of tennis d) training and equipment for outdoor sports