Answer:
The correct answer will be option-D.
Step-by-step explanation:
A hypothesis is a well-substantiated opinion or an idea which proposes an explanation for any naturally occurring phenomenon.
The hypothesis is generated after performing steps as proposed in the protocol that is a hypothesis is generated after the observations, asking a question and proper review of literature of previous work on the specified question but is not generated on the opinion of a researcher.
Thus, option-D is the correct answer.