16. 4 maps on water, in alphabetic order: agricultural water use*, domestic water use*, industrial water use* and rainfall volume. Which map is showing domestic water use? 
(A) map A
(B) map B
(C) map C
(D) map D
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統計: A(1), B(3), C(12), D(2), E(0) #2160230
統計: A(1), B(3), C(12), D(2), E(0) #2160230