问题
选择题
I haven' t seen Mary these past few days. I m afraid she ____ herself for some time.
A．isn't feeling
B．hasn' t been feeling
C．hadn't been feeling
D．wasn't feeling
答案
答案：B
该题考查时态的用法。从题干for some time可知，选项部分时态应为完成时，与前部分对应，应为现在完成进行时。