''blank'' is one of the most common symptoms of depression in children, occurring in about 80% of clinic-referred youngsters with depression.

A Irritability
B Anger
C Grandiosity
D Inattention

I believe the correct answer is A. I'm not sure.

Many texts seem to say so, but this is not my experience.

Right.

http://pediatrics.about.com/cs/mentalhealth/a/depression_stdy_2.htm

To determine which answer is correct, we can evaluate each option based on the given information about the most common symptom of depression in children.

Option A: Irritability - This option aligns with the information provided in the question, which mentions that a common symptom of depression in children is present in about 80% of clinic-referred youngsters.

Option B: Anger - While anger can be a symptom of depression in some cases, the question specifically refers to the most common symptom. Therefore, we cannot definitively say that this option is the correct answer.

Option C: Grandiosity - Although grandiosity can occur in some cases of depression, it is not mentioned in the given information as the most common symptom. Therefore, this option is less likely to be correct.

Option D: Inattention - Inattention is not specified as a common symptom of depression in children in the given information. Therefore, this option is less likely to be correct.

Based on the above evaluation, it appears that Option A (Irritability) aligns with the given information and is the most likely correct answer.