—Dad, please tell me when Mum_____. I miss her very much.

—She will return when she_____ her task. And she will bring a nice present for you.

A．returns; finishes

B．returns; will finish

C．will return; finishes

D．will return; will finish

诊断食管癌简便易行的普查筛选方法是（）

A．纤维食管镜检查

B．超声内镜检查(EUS)

C．食管拉网脱落细胞学检查

D．食管吞钡X线双重造影检查

E．电子计算机断层扫描(CT)检查