Which sentence is an example of characterization through action?

AHer blue eyes were clouded by age; the wrinkles around the edges had become deeper with each passing year.

BHer front tooth was slightly chipped, making her smile all the more beautiful for its imperfection.

CShe was tall, with short-cropped blond hair that was at odds with the length of her face.

DShe closed the door softly, her fingers shaking as she turned the key and bolted the lock.