Shawn Claims That He Multitasks Very Effectively, and Also Says

Shawn claims that he multitasks very effectively, and also says that he actually performs better while multitasking than when doing a single task. You ask Shawn to test this claim. Shawn reads a newspaper article while listening to a baseball game, and then reads another article in silence. Based on research on multitasking, when you time Shawn's reading speed and test his comprehension, you are likely to find that his reading is

A) faster but less accurate when listening to the game.
B) slower but more accurate when listening to the game.
C) both slower and less accurate when listening to the game.
D) both faster and more accurate when listening to the game, just as he claimed it would be.