Which Statement About Neuromuscular Junctions Is True

Which statement about neuromuscular junctions is true?

A) They are found in skeletal muscle between sensory neurons and muscle cells.
B) A single motor neuron innervates more than one skeletal muscle cell.
C) An action potential at the junction ultimately causes the sarcolemma to hyperpolarize.
D) An action potential arriving at the junction causes the release of Ca²⁺ from the neuron terminal.
E) Axons from neurons terminate on each myofibril within the muscle cell.