What Do Synaptic Signaling and Paracrine Signaling Have in Common

What do synaptic signaling and paracrine signaling have in common?

A) Cells release a signal that affects it and neighboring cells.
B) Cells release a signal that affects cells at long distances.
C) Cells release a signal through gap junctions to affect neighboring cells.
D) Cells bind a membrane bound signal on a neighboring cell.
E) Cells release a signal that affects neighboring cells.