单项选择题
按照图画出所示图形，求剖面线区域的面积（）
A.1574.9245 B.1574.9425 C.1574.9452 D.1574.9254
A.11023.9833 B.11023.9338 C.11023.9383 D.11023.8933
A.5844.5794 B.5844.5497 C.5844.5749 D.5844.5479
