because of the bad weather ,my mother fell ill and lay in bed.she has beenA has been ill was illB FELL ill has fallen illC fell ill has been illD fell ill is illbecause of the bad weather my mother ---------and lay in bed .she -----for a week .选什么为什么

问题描述:

because of the bad weather ,my mother fell ill and lay in bed.she has been
A has been ill was ill
B FELL ill has fallen ill
C fell ill has been ill
D fell ill is ill
because of the bad weather my mother ---------and lay in bed .she -----for a week .
选什么为什么