选择题
2014 AMC 8 Problem 9: Triangle Angle Chase
In triangle ABC, D is a point on side AC such that BD=DC and angle BCD measures 70°. What is the degree measure of angle ADB?

2014 AMC 8 第9题 :三角角追逐
在三角形ABC中, D是侧面AC上的点,使得BD = DC和角度BCD测量70°。角度ADB的度量单位是什么?

A.
100
B.
120
C.
135
D.
140
E.
150