A:撒哈拉沙漠,非洲
B:卡拉库姆沙漠,亚洲
C:塔克拉玛干沙漠,亚洲
D:维多利亚大沙漠,大洋洲
My father watches the CCTV news _________ 8 p.m. and 9:30 p.m. every day.