选择题
2016 AMC 8 Problem 23: Overlapping Congruent Circles
Two congruent circles centered at points A and B each pass through the other circle’s center. The line containing both A and B is extended to intersect the circles at points C and D. The circles intersect at two points, one of which is E. What is the degree measure of ∠CED?
2016 AMC 8 第23题：重叠全等圆
以 A 点和 B 点为圆心的两个全等圆分别穿过另一个圆的中心。包含 A 和 B 的直线延伸，与圆相交于点 C 和 D。圆相交于两点，其中之一是 E。 ∠CED 的度数是多少
A.
90
B.
105
C.
120
D.
135
E.
150