which of the phrases in this quotation from “shakespeare’s sister” most clearly illustrates an older usage that is unlikely to be used today?

he was, it is well known, a wild boy who poached rabbits, perhaps shot a deer, and had, rather sooner than he should have done, to marry a woman in the neighborhood….

a. it is well known
b. shot a deer
c. rather sooner than he should have done
d. to marry a woman in the neighborhood