As a General Rule, the Mechanisms for Extrasynaptic Exocytosis

As a general rule, the mechanisms for extrasynaptic exocytosis

A) resemble exocytosis from gland cells in invertebrates, and resemble synaptic exocytosis in vertebrates.
B) have only been observed in vertebrates, and are similar to those of synaptic exocytosis.
C) are similar in invertebrates and vertebrates, and resemble exocytosis from gland cells.
D) resemble synaptic exocytosis in invertebrates, and resemble exocytosis from gland cells in vertebrates.
E) have only been observed in invertebrates, and are similar to exocytosis from gland cells.