[单选题]
A 50-N object was lifted 2.0 m vertically and imo9we )i t1j+uwa1 -jhs being hg+ k f r*x8v,lbooc*;75sbqu (s ipnq4eld there. How much work is bei5s c(lqqpo;+ ,s47 nf8r*k bubgixo* vng done in holding the box in this position?
A. more than 100 J
B. 100 J
C. less than 100 J, but more than 0 J
D. 0 J