题目内容

Which of the following test pairs reflects consistent experimental data？

A. Experiment 1, wing design 2;Experiment 2, airspeed 200
B. Experiment 1, wing design 1;Experiment 2, wing design 2
C. Experiment 1, wing design 3;Experiment 3, airspeed 400
D. Experiment 1, wing design 1;Experiment 3, airspeed 400

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