请选择ABCD.s9~9])@(T)]-G1{+g3V3I We ________ put clothes on lamps or heaters.)T8X/~'t5y.U(g0G:u;X.n
A. should)T8X/~'t5y.U(g0G:u;X.n
B. can)T8X/~'t5y.U(g0G:u;X.n
C. mustn't)T8X/~'t5y.U(g0G:u;X.n
D. must)T8X/~'t5y.U(g0G:u;X.n