Nancy Owns Office Tower, a Commercial Building Situated on an Acre

Multiple Choice

Nancy owns Office Tower, a commercial building situated on an acre of land that she also owns in Peoria, Illinois. Subject to certain qualifications, the exterior boundaries of Nancy's land extend to

A) the size of a cubic acre.
B) the limits of the current building market.
C) infinity and beyond.
D) the center of the earth and up to the sky.