It Is Essential That Archaeologists Take Abundant, Accurate, and Detailed

It is essential that archaeologists take abundant, accurate, and detailed field notes during excavations because:

A) archaeology destroys data as it is gathered; once a site is excavated it cannot be re-excavated.
B) federal legislation mandates abundant, accurate, and detailed field notes.
C) archaeology students generally learn field techniques from these notes.
D) none of the above; it is not essential because archaeologists can always go back and reconstruct the excavation later.