Which Statement Made by the EMT Indicates an Understanding of Calculating

Which statement made by the EMT indicates an understanding of calculating the body surface area (BSA) burned?

A) "The BSA can be quickly estimated before evaluating the status of the airway and breathing."
B) "Determining the BSA is an estimation and should never delay transport of the burn patient to the hospital."
C) "It is important to get an accurate estimation of the BSA burned since this will affect the care provided by the EMT."
D) "It is better to underestimate the BSA of a burn patient rather than overestimate the BSA."