[单选题]
A 25-L container holds hydrogeq9onvn.kmzlk) ij6-h9hl 5/c k0:qkz n gas cmqtdz /p z9*)g,s df*at a gauge pressure of 0.25 atm and a temperadt pf, 9qc)/zmz* gd*sture 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. $5.6 \; g$
