B 是正确的.
Where have you been these days?这些天你去哪儿了?�������Ϊʲô��ģ������Ķ����������£�A Hisfatherhasbeento HongKong twice.��ĸ���ȥ��������Ρ� C.Idon'tknow whatwaswrong withhim. �Ҳ�֪������ô�ˡ�D.Kate'sbrotherhasbeen a mumber ofthearmysince three months ago.���صĵܵܳ�Ϊ�����Ѿ�������ˡ�
