Why Is the Pancreas Both an Endocrine and an Exocrine

Why is the pancreas both an endocrine and an exocrine gland?

A) because it produces both a neurotransmitter and a hormone
B) because it produces more than one hormone
C) because it produces at least one hormone that is delivered through a duct and one that is delivered to the bloodstream
D) because it has an outer cortex and an inner medulla
E) because it is located within the abdominal cavity with ties to the gastrointestinal system