Gobet and Simon's Study of the Chess-Playing Abilities of Champion

Multiple Choice

Gobet and Simon's study of the chess-playing abilities of champion Gary Kasparov indicated that ______.

A) Kasparov's superiority was limited to single games;he could not play three or four games simultaneously
B) Kasparov plays almost as well playing eight games simultaneously as he does playing a single game
C) Kasparov's superiority declined when forced to play very quickly
D) Kasparov's mastery stems from his ability to think ahead and plan future moves