78. 身體質量指數 (Body Mass Index, BMI)通常是用來衡量營養狀態的指標之一，其計算方式為何？
(A)Weight (kg)/Height (cm)
(B)Weight (ibs)/Height (in) 2
(C)Weight (kg)/Height (m)2
(D)Weight (ibs)/Height (cm)。