网址:http://m.1010jiajiao.com/timu3_id_566688[举报]
A.(-5,-4] B.(-∞,-4)
C.(-∞,-2) D.(-∞,-5)∪(-5,-4)
A.(-5,-4] B.(-∞,-4]
C.(-∞,-2] D.(-∞,-5)∪(-5,-4]