Methylphenidate, the most common treatment for ADHD, is likely to?

Methylphenidate, the most common treatment for ADHD, is likely to:

A ) reduce the likelihood of activation of other neurons.
B ) impair dopamine neurotransmission.
C ) increase synaptic levels of dopamine.
D ) decrease synaptic levels of dopamine.
E ) aggravate the behavioral symptoms of attention-deficit/hyperactivity