Pick out the wrong unit conversion of calorific value?

A. 1 BTU/ft3 = 8.9 kcal/m3 = 0.038 MJ/m3

B. 1 kcal/m3 = 0.1124 BTU/ft3

C. 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg

D. 1 BTU/lb = 2.3 kcal/kg

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