TOEFL Reading: ETS-TOEFL阅读机经 - Q15EID3_Y3974FGPL$

Why does author include a discussion of "Concurd, Massachusetts" A. To give an example of the type of inheritance farm owners generally provided for their sons B. To help explain why the farms started by the founders averaged at least 250 acres C. To indicate that New England farms were always inherited by the oldest sons from their fathers D. To help illustrate how limited the overall land supply was in New England