<prompt> D-tubocurarine acts by -Inhibiting nicotinic receptors at myoneural junctionInhibiting nicotinic receptors at autonomic ganglionProducing depolarizing blockBy inhibiting reuptake of acetylcholine  <response>: Ans. is a i.e., Inhibiting nicotinic receptors at myoneural junction o D-tubocurarine is a skeletal muscle relaxant that acts by competitive inhibition of NM receptors at neuron-muscular junction. 