It is True that once a batting order is picked, it cannot be changed during the baseball game.
This is because the rule in Baseball states that once the home plate umpire exchanges the lineup cards between the opposing managers, the batting lineup cannot be changed except, substitution is made under the Official Baseball Rules.
Substitution does not mean that a Batting order has been changed. When a player is substituted, such a player can no longer play in that game again.
Also, the batting order remains the same throughout the game, as there is no room to reshuffle in different innings.
Hence, in this case, it is concluded that the correct answer is True.
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