Answer:
C. His mind is overcome with stress and anxiety.
Step-by-step explanation:
Scorpions are often a symbol of danger.
D is incorrect. Poison is not the correct imagery here.
B is incorrect. He specifically references his mind.
A is incorrect. While this could be, in theory, the correct answer, his memories are not what he is really referencing here.
Stress is associated with danger, which is associated with the scorpion. Therefore, the answer is C.