Sentence:  A second scene flashed before his mind , the interior of the garage at the new house and the <WSD>young</WSD> Bartlett girl turning startled to meet him , the dim dark and the sudden confusion and fear and then the brightness as Mae had clicked on the light . 
Meaning of the word marked with <WSD> tags:  (used of living things especially persons) in an early period of life or development or growth