请选择ABCD'U8l-B-@;r.@*s4i/f I get up ________ about seven fifty—five．1V+U9|*t8T:R/L
A．in1V+U9|*t8T:R/L
B．on1V+U9|*t8T:R/L
C．at1V+U9|*t8T:R/L
D．for1V+U9|*t8T:R/L