[单选题]
An ideal gas undergoes an adiaba;xjur ;/xx wz9ti/ 6z,jq0.tkdb) ojpfy k1jx 9md f7)q0md1piq c process while doing 25 J of work. What is the change in internal enmf xpzip0kjb m.6 ,/qfd y)90)qdq j1 dkjo71tergy?
A. zero
B. $25 \; J$
C. $-25 \; J$
D. none of the above