Prices of food in that area ____ sharply since word came that the war would break out soon.
A．were cut downB．were risingC．have been brought downD．have been going up
D。
.考查時態(tài)。根據(jù)題意和since從句可知應(yīng)用現(xiàn)在完成進(jìn)行時，且此處指價格上升而非下降。
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