My aunt has loaned me my maternal grandfather 's journal , which he wrote in as a soldier in World War II . My grandfather was of African American and Native American descent and so fought in a segregated unit . One of the first entries I found was written on D - Day .
Why would the narrator be so impressed with the journal ?
Pick the best answer from the following options:
A. It is from their grandmother .
B. It is from the first integrated military unit .
C. It is from WW1 .
D. It is from their grandfather .


D