She has set a new record, that is, the sales of her latest book ________ 50 million.
A.have reached
B.has reached
C.are reaching
D.had reached
网友回答
A解析因为that is意为“换句话说，即 (=in other words, which means)”，而前句中的谓语has set是现在完成时，后一句的谓语动词也应用现在完成时，排除C和D；又因主语the sales是复数，选出正确