[单选题]
A 25-L container holds hydxt0c6bhkoexcjto6,g-n zc .. u/ ah3/rogen gas at a gauge pressure of 0.25 atm3 *bbh-5mjdsm and a temperamb5b3jds - *mhture of $0 \; ^{\circ}C$. What mass of hydrogen is in this container?
A. $1.4 \; g$
B. $2.8 \; g$
C. $4.2 \; g$
D. $5.6 \; g$
