一游客在旅行日记中写到:我到达过世界上一个神奇的地方,在那里,我右手位于东半球,左手位于西半球,面向北半球,背靠南半球.这个神奇的地方就是图中的( ) A.甲地 B.乙地 C.丙地 D.丁地 答案:B. The poor boy the test again; in that case, his mother will be very disappointed. A. must have failed B. might fail C. could have failed D. should fail