Which sentence includes a dependent clause?(1 point)

Responses

When looking out the window, they saw the first leaf fall.
When looking out the window, they saw the first leaf fall.

They gave sandwiches to the children on paper plates.
They gave sandwiches to the children on paper plates.

The boy received a dog named Rover for his birthday.
The boy received a dog named Rover for his birthday.

On the way to the store, Nicole saw a lost cat.