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