Excessive sweating (hyperhidrosis) in a limb is likely to be relieved by
A. Blockade of autonomic ganglia with ganglion-blocking drugs.
B. Blockade of autonomic cholinergic nerve endings with atropine.
C. Blockade of somatic cholinergic nerve endings with curare.
D. Blockade of adrenergic nerve endings with phentolamine.
E. Section of the sympathetic motor nerves supplying the limb.