A:m≥0或m<﹣1
B:m>0或m<﹣1
C:m>1或m≤0
D:m>1或m<0
能够“风吹草低见牛羊”“开着汽车追黄羊”的高原是( )
—— __________ hard-working girl! Who is she? ——Tina. She tried to _________ many problems to learn Chinese.