The answer is letter C.
<span> Most common cases of poisoning occur at
home while others through occupational and environmental exposures. Its
symptoms vary depending on the type of poison, length of exposure, quantity of
poison, and the age of a person involved. If someone is experiencing symptoms
of poisoning (e.g. dizziness, vomiting, trouble breathing) it is always best to
contact a Poison Control Center immediately. These people know and have a great
dealing with different hazards and could suggest possible first aids for the poisoning.</span>
