问题
单项选择题
In the circular region shown above, sections A and B represent 3/8 and 5/11, respectively, of the area of the circular region. Section C represents what fractional part of the area of the circular region ？（）
A.A
B.B
C.C
D.D
E.E
答案
参考答案：A
解析：
Section C is equal to 1-(3/8+5/11)=1-(33/88+40/88)=15/88.