Select the alternative with the correct punctuation :
Young and old rich and poor men and women are all in the zoo
A. Young and old rich and poor men and women are all in the zoo.
B. Young and old, rich and poor, men and women, are all in the zoo.
C. Young and old, rich and poor, men and women are all in the zoo
D. Young and old rich and poor men and women are all in the zoo.
which one is correct ans B or C