What is the requirement of the most liberal wing of the Democratic-par

What is the requirement of the most liberal wing of the Democratic-party?

They want a more direct action.

They want an incomes policy to check inflation.

They want to rebuild industry.

They want a wall of protective tariffs.

答案及解析：本题考查细节。A选项，更直接行动。第二段“总统的党内几段自由翼要求更强硬、更直接行动。他们要求用收入(税收)政策来制止通货膨胀; 联邦财政在关税保护下，帮助重建工业。”综上，A选项正确。B选项，他们需要制止通货膨胀，不合题意，故排除。C选项，重建工业，不合题意，故排除。D选项，保护关税墙。都只是他们要求中的部分内容，不完整，故排除。故正确选项为A。