6. Which bar graph displays symmetry? A. Real Estate Sales B. 700 700 Homes Sold P600 500 400 300 200 100 0 Homes Sold 600 500 400 300 200 100 0 Mar Apr May Jun July Month Real Estate Sales Mar Apr May Jun July Month Real Estate Sales C. Real Estate Sales D. 700 700 Homes Sold 600 500 400 300 200 100 Homes Sold 600 500 400 300 200 100 0 Mar Apr May Jun July Mar Apr May Jun July M