问题
Some people fear that ______ airpollution may bring about changes in ______ weather around the world.
A:However toughthe journey is
B:a man would be inhuman without it
C:men can’t bear any pain on themselves and animals
D:the, a
B:a man would be inhuman without it
C:men can’t bear any pain on themselves and animals
D:the, a
正确答案是：
