In the context of social studies, how do conferences differ from symposia?
A) Conferences are typically smaller and focus on a specific topic, while symposia are larger and cover a broad range of subjects.
B) Conferences are large gatherings with multiple sessions on various topics, while symposia are meetings focused on a specific interest or topic and are often not very big.
C) Conferences are informal gatherings of professionals, whereas symposia are formal events with strict schedules.
D) Conferences are always held annually, while symposia can occur at any time.