2.Until then,his family _______ from him for six months.A) didn’t hear B) hasn’t been hearingC) hasn’t heard D) hadn’t heard

2.Until then,his family _______ from him for six months.A) didn’t hear B) hasn’t been hearingC) hasn’t heard D) hadn’t heard
2.Until then,his family _______ from him for six months.
A) didn’t hear B) hasn’t been hearing
C) hasn’t heard D) hadn’t heard

2.Until then,his family _______ from him for six months.A) didn’t hear B) hasn’t been hearingC) hasn’t heard D) hadn’t heard
选D 因为是"到那时"所以是在讲过去的事情,必须用过去时,但是又有时间持续的意味,所以不能选A,它表示的动作具有瞬时性

d