问题
选择题
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
答案
答案：A
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，选出正确答案A。