After years of changing residence (住处) and promotion, Madelyn moved to a new city and _____ became vice-president of a local bank.

A．eventually

B．occasionally

C．accidentally

D．frequently

应激性溃疡早期最有效的诊断方法是

A．钡餐造影
B．纤维内镜检查
C．选择性血管造影
D．超声波检查
E．以上都不是