单选题 Economists believe that the jobless total will ______ to 3.5 million by the spring.
【正确答案】 A
【答案解析】[考点] 词汇量
[解析] sum“总计;概括”,似乎此词为应选项,但它的用法应为sum up to,如:It sums up to 1,000 yuan.(它共计有1000元。)soar“高涨,猛增”,如:Their ambitions soared to the skies.(他们壮志凌云。)sore“疼痛的,痛心的”;stretch“(被)拉长,伸展”。所以答案应为A。