Which of the following statements is true of mdma (ecstasy)? multiple choice
a. it has both stimulant and hallucinogenic properties.
b. it depresses the central nervous system activity.
c. it is the active ingredient used in barbiturates.
d. it causes the brain to release large amounts of melatonin.

About MDMA and its properties the true sentence and correct option to answer your question is the option "a".

Explanation:

MDMA belongs to substituted amphetamines classes of drugs and it has hallucinogenic and stimulant properties. It acts primarily by increasing the neurotransmitters serotonin, dopamine and noradrenaline in parts of the brain.

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