[单选题]
An ideal gas has a densr- gd txs49ccb)nmhyvg /9((k .5 *7y .wapssk wnn-tjity of $1.75 \; kg/m^{3}$ at a gauge pressure of 160 kPa. What must be the gauge pressure if a density of $1.0 \; kg/m^{3}$ is desired at the same temperature?
A. $356 \; kPa$
B. $280 \; kPa$
C. $91 \; kPa$
D. $48 \; kPa$
