[单选题]
A sky diver falls through the air at termin)ksmy9tuvv; 071 ivpr al velocity. Thft(8 sy o;(suog /9m0wpd(kwh e force of air resistance ( /owh;(p (ufs09osw mtkgdy8on him is
A. half his weight.
B. equal to his weight.
C. twice his weight.
D. cannot be determined from the information given
