95.Look at the pie chart, What percentage of volunteers did Referral Programs contribute in the past year?
(A) 2%.
(B) 6%.
(C) 14%.
(D) 17%.
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統計: A(265), B(54), C(4), D(7), E(0) #3160813
統計: A(265), B(54), C(4), D(7), E(0) #3160813