In the following figure, triangle represents teachers, square represents merchants and circle represnts social workers. Which number space representsTeachers who are social workers?_x005F_x000D_

In the following figure, triangle represents teachers, square represen

1.	In the following figure, triangle represents teachers, square represents merchants and circle represnts social workers. Which number space representsTeachers who are social workers?_x005F_x000D_
A.	3
B.	2
C.	4
D.	5
Answer» C. 4