Which of these is most likely to be true about a scientific theory?

well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world.

Where is the choices? I can't see it. ):

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

answer; i believe that the correct answer is (behavioristic)good luck