Which concrete detail is most relevant to frederick douglass's autobiography?
a. my feet have been so cracked with the frost, that the pen with which i am writing might be laid in the gashes.
b. the pants master daniel wore when we went hunting for birds were light gray.
c. the man who us ashore had a weathered face and icy eyes and a battered fisherman's cap upon his head.
d. the great house was painted white with coral trim.