15. The Chinese city of Shanghai, the country's economic center and a global trade hub, has ______ Covid curbs after a two-month lockdown.
(A) made
(B) initiated
(C) eased
(D) obstructed
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統計: A(0), B(0), C(1), D(1), E(0) #3458781
統計: A(0), B(0), C(1), D(1), E(0) #3458781