请选择CBA9{;x2a,b6h2t-x*{;{)h5y.A4B+t ---What Amy ? ---She's writing an e-mail to her pen-friend.:Y,W.T7n-Z)O)H2Y0S4h
A. did…do:Y,W.T7n-Z)O)H2Y0S4h
B. is…doing:Y,W.T7n-Z)O)H2Y0S4h
C. is…going to do:Y,W.T7n-Z)O)H2Y0S4h