너 아직 학교 다?
neo ajig haggyo da?
I used google translate, so this may be inaccurate.
أنا آسف جدًا، ولكن لا أستطيع أن أفهم ما تقوله.
it's either A. or B.
Explanation:
its not C. because it doesn't say anything about why marcus is shy.
it's not D. because marcus doesn't show any shyness it shows how jimmy reacted to him.
<h2><u>Answer:</u></h2>
Neurotransmitter is the correct answer.
<h3><u>Explanation:</u></h3>
The neurotransmitter, additionally called chemical transmitter or compound flag-bearer, any of a gathering of synthetic operators discharged by neurons (nerve cells) to animate neighboring neurons or muscle or organ cells, in this manner enabling driving forces to be passed starting with one cell then onto the next all through the sensory system.