In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Rocket engines can lift rockets because (A) of how much fuel they use (B) of how fast they are (C) of the power the hit the ground with (D) of how tall they are
C

As a soccer ball goes flying through the air, the person watching it knows that the reason is because (A) everything is aerial (B) exerting occurred (C) balls are birds (D) soccer takes wing
B

A phase change is (A) Growing a plant (B) Building a car (C) Water changing temperatures (D) Jello's transformation
D