- We know the answer is not A, because you generally do not want to support meat for a vegetarian publication.
 - We know the answer is not B, because triple chocolate donuts have nothing to due with "Muscle Builders Weekly."
 - We know the answer in not C, because you are probably not looking for dating ads if you are already married.
 - The answer is D, because it is reasonable to explain pet grooming for a publication for pet lovers.
 
        
                    
             
        
        
        
Answer:
D
Explanation:
Feeling excessively sad or low. Confused thinking or problems concentrating and learning. Extreme mood changes, including uncontrollable “highs” or feelings of euphoria. Prolonged or strong feelings of irritability or anger. - nami.org
these would all cause sudden changes in behaviour