单选题 What was the Supreme Court's recent decision about?

【正确答案】 A
【答案解析】[解析] 此题是考查对文章第一段主题句“The Supreme Court’s recent decision allowing regional interstate banks has done away with one restriction in America’s banking Operation.”的理解。句中allowing regional interstate banks是做The Supreme Court’s re cent decision的定语,起到修饰限定作用,所以答案自然是A。