What is the main idea of this text?
A. Major League Baseball is one of the largest sports leagues in the United States,
attracting players and fans from all over the world.
B. New robot umpire technology could change the way that strikes are called in baseball and make the game fairer by helping human umpires make correct calls.
C. Some umpires are good at their jobs, but some umpires can't be trusted to make good calls because they have bad eyesight.
D. The Nationals won the 2019 World Series, but they lost one important game because of a call by an umpire that many people thought was unfair.
1 answer
B. New robot umpire technology could change the way that strikes are called in baseball and make the game fairer by helping human umpires make correct calls.