The reader's reaction to the presentation of events according to me will be Sympathy for Mrs. Pontellier's circumstances.
For better understanding, let us explain what sympathy means
Sympathy is simply referred to as when a way an individual uses t relate to someone e.g have walked in their shoes. It shows that you understand the depth of what they may be going through and your heart goes to them.
Sympathy for Mrs. Pontellier's circumstances simply means the reader understand what she was passing through and feels sorry for the circumstances she is currently facing.
from the above, we can therefore say that the answer The reader's reaction to the presentation of events according to me will be Sympathy for Mrs. Pontellier's circumstances is correct