A, B, C, D four players in badminton competition, every two players have to play a game, now a has played three games, B has played two games, D has played one game, then C has played______ Field

A, B, C, D four players in badminton competition, every two players have to play a game, now a has played three games, B has played two games, D has played one game, then C has played______ Field

Because a has played three games, as follows: A and B, a and C, a and D; and D has played one game, it must be against a; because B has played two games, one is against a, then the other must be against C, so C has played two games