请选择DCBA8U6A;G3W;K*C(y'v*k+e)T6Z0L5B0r5v— How long ___________you ___________ here?+_*U-I8_5b(u0O/R.z8f
— For about two years so far.+_*U-I8_5b(u0O/R.z8f
A. have, studied+_*U-I8_5b(u0O/R.z8f
B. did, live+_*U-I8_5b(u0O/R.z8f
C. do, stay+_*U-I8_5b(u0O/R.z8f
D. were, swimming+_*U-I8_5b(u0O/R.z8f