Given R = {a, b, d, g, h, j} and S = {b, c, g, j, k, m}, what is the intersection of A and B?

Is the answer A?
A. b,g,j

B. a,b,c,d,g,h,j

C. a,b,,d,g,h j

D. b, c, g, j, k, m

yes~ :)