Answer:
The correct answer is option D) Collecting groceries, the store got busie and busier.
Step-by-step explanation:
Dangling modifiers are mistakes within a sentence that occur when the sentence includes a modifier but forgets the target. Therefore, the modifier dangles since it has no target to modify.
In the example provided, the modifier "collecting groceries" does not have a target to modify (Who is collecting groceries?).