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9. The deadly mass shooting at a Texas elementary school yesterday ______ the nation grieving and in anguish once again about gun violence in the US.
(A) left
(B) enabled
(C) stimulated
(D) warned
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統計： A(1), B(0), C(0), D(1), E(0) #3458775
統計： A(1), B(0), C(0), D(1), E(0) #3458775
