Answer:
Option A
Explanation:
Spontaneous means a quick, some thing to happen at instant, or quite fast.
Recovery means to get back at something or something
So spontaneous recovery would generally mean to get back at something quick or quite fast.
From the above options, Option A explains alexis change in conditions compared to the time when alexis actually uses cocaine. when she uses cocaine, he experiences her hand shaking and heart pounds. all this reactions are quick and spontaneous recovery , looking at cocaine, which is a hard drug that has side effects, for alexis to recovery from reactions, its a spontaneous recovery.