Which of the Following Statements Is True About Synapses

Which of the following statements is true about synapses?

A) There are three types of synapses
B) When the synapse gap is small, an electrical signal can jump from one neuron to the next
C) When the synapse gap is big, an electrical signal can jump from one neuron to the next
D) When the synapse gap is small, the information must be transmitted chemically.