Answer:
The word candy striper was used in the 1950s through 1980s.
Step-by-step explanation:
'A Girl Named Zippy' is a memoir of Haven Kimmel. The memoir recounts the author's childhood memories.
In the book, the author has used the term 'candy stripers' to reveal the book's historical setting. The term candy striper is used to refer to a volunteered young woman to assist in hospital. The term was used in 1950s through 1980s.
Thus the historical setting that the term 'candy striper' presents is the usage of the word in the 1950s to 1980s.
Therefore the correct answer is the last option (D).