【初中宾语从句单选题,求语法高手相助--Sorry,idon'tknowwhattheteachersaidjustnow.--HeaskedMaria__________________.A.howlongsheusuallyspentonherhomework.B.whatshewasdoingthesedays.另外两个选项很容易排除掉】

　　初中宾语从句单选题,求语法高手相助

　　--Sorry,idon'tknowwhattheteachersaidjustnow.

　　--HeaskedMaria__________________.

　　A.howlongsheusuallyspentonherhomework.

　　B.whatshewasdoingthesedays.

　　另外两个选项很容易排除掉就不写了.但这两个怎么选,小辈想半天,确实没想出来,卡在这里了,求高手相助,务必要写清原因.

　　弱弱地问下,是B选项中thesedays应改为thosedays