In Triple Jump, white flag indicates:

Correct option is A

A white flag indicates that a triple jump attempt is valid.
 The white flag is raised by the officials in Triple Jump to indicate that the jump has been executed correctly and meets the necessary requirements for a valid attempt. When the athlete completes their jump without any rule violations, the white flag is raised, signaling that the attempt will be counted towards their overall performance.
 In Triple Jump, athletes must complete a series of three consecutive jumps, consisting of a hop, a step, and a jump, in a designated jumping area. The jumps are measured to determine the distance covered by the athlete.
 A red flag indicates that a triple jump attempt is invalid.