Curare Blocks Acetylcholine Receptors at the Motor End Plate

Curare blocks acetylcholine receptors at the motor end plate. This would result in

A) increased stimulation of the muscle.
B) more acetylcholinesterase production.
C) lack of Ca²⁺ uptake by the muscle fiber.
D) inability of the muscle fiber to respond to nervous stimulation.
E) sustained contraction of the muscle.