Answer:
The correct answer will be option-Scientific theories have been proven to be correct.
Step-by-step explanation:
A scientific theory is a substantiated idea or statement which explains any natural phenomenon.
A scientific theory must be accepted after it must be:
1. supported by hypothesis and evidence of another scientist.
2. proved by the experimenter and another scientist.
Since natural selection is the mechanism of evolution which explains the evolutionary theory, it represents that a scientific theory is not a guess but supported by the evidence.
Thus, the selected option is the correct answer.