There is one out in the fourth inning. Chris is on first base when Michael hits a fly ball deep into center field. Chris has already reached second base when the center fielder catches the fly ball. What should Chris do next? Click on the appropriate response.   a. Chris must return to first base and tag up. He may then determine if he has time to advance to second base. b. Chris may continue advancing. The third-base coach should let him know whether he should hold up at third base or advance home. c. Once the ball is brought in, Chris returns to first base. Click on Submit to check your answers and receive feedback.