Read the following SAT test question and then click on a button to select your answer.

The bar graph above shows the number of people in attendance at each of the four meetings of the Maple Street Block Association that were held in 2011. Only members of the Block Association can attend the meetings, and no members joined or left the Block Association during 2011. Based on the bar graph, what is the least number of members the Maple Street Block Association could have had in 2011?

(A) 61
(B) 65
(C) 67
(D) 72
(E) 268

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