Answer:
The correct answer would be option D, Changes in the normal bodily functions.
Step-by-step explanation:
In normal words, Physical dependence is the condition of a person's body who is on high usage of tolerance forming drugs, in which his body experiences unpleasant physical symptoms when the drug is discontinued.
The physical symptoms that appear due to discontinuing of the drug may include diarrhea, cravings, sweating, constipation, seizures, violence, etc.
So in this question, option D indicates that the physical dependence on a drug is indicated by the user experiencing the changes in the normal bodily functions like the ones mentioned above, as a result of discontinuing use of the drug.