The Protein RDA for Adults Is ____ G/kg/day but Up

The protein RDA for adults is ____ g/kg/day but up to ____ g/kg/day is recommended for athletes.

A) 0.4; 0.8
B) 0.4; 1.7
C) 0.8; 1.7
D) 0.8; 2.0
E) 1.1; 2.0