Which design data is used for indoor air heating in winter air conditioning?

A. 20Degree Centigrade +/- 1 Degree Centigrade and RH = 35%

B. 18Degree Centigrade +/- 1 Degree Centigrade and RH = 45%

C. 16Degree Centigrade +/- 1 Degree Centigrade and RH = 50%

D. 14Degree Centigrade +/- 1 Degree Centigrade and RH = 55%

Correct Answer: 20Degree Centigrade +/- 1 Degree Centigrade and RH = 35%