请选择ABCD8v3h7d7~5v0Y As is known to us all，_________ life in_________ modern world is easier in some ways than_________ life our grandparents lived.3M:G8Q1a
A.the;a;the3M:G8Q1a
B.a;the;the3M:G8Q1a
C./ ;the;the3M:G8Q1a
D.the;/ ;the3M:G8Q1a