Could you please show the options ?
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
b
Explanation:
it has diffrent dircetions to go in and you find diffrent facts to put together