Which sentence includes a dependent clause? (1 point)

On the way to the store, Nicole saw a lost cat.
The boy received a dog named Rover for his birthday.
They gave sandwiches to the children on paper plates.
When looking out the window, they saw the first leaf fall.

1 answer

The sentence that includes a dependent clause is: When looking out the window, they saw the first leaf fall.

The phrase "When looking out the window" is a dependent clause because it cannot stand alone as a complete sentence.