Answer:
On the way to the store, Esperanza saw a poodle.
Step-by-step explanation:
Esperanza saw a poodle. <- independent clause
On the way to the store <- dependent clause
Let's look at the other options
b. On the way to a poodle, Esperanza saw the store.
The sentence doesn't make much sense.
c. Esperanza saw a store on the way to a poodle.
Again, the sentence isn't logical.