2020银行校园招聘考试：英语单选题（25）
A new study says that for many years, immigrants ______ the New York’s economy remain strong.（ ）
A. help
B. have helped
C. helped
D. had helped
东吴教育参考答案解析
答案:B
解析：考查时态。句意：一项新的研究表明，移民使得纽约的经济多年保持强劲态势。根据主句是一般现在时态而且从句中有时间状语for many years可以得知，应该用现在完成时态，故正确答案为B。
