11. With the population ______ day by day, more and more space is needed for public activities.
(A) observing
(B) attracting
(C) examining
(D) increasing
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統計: A(9), B(18), C(16), D(131), E(0) #573606
統計: A(9), B(18), C(16), D(131), E(0) #573606