Here is the item again:
Whenever Delores makes her infamous rubbery meatballs. David sneaks them
off his plate and into the willing mouth of Jellybean, the family's
terrier.
You chose to use Punctuation Rule 2 to fix the problem:
Subordinate Clause + , + Main Clause.
Here is the correction:
Whenever Delores makes her infamous rubbery meatballs,
David sneaks them off his plate and into the willing mouth of Jellybean,
the family's terrier.
Nice work! You deserve those cyber fries!