四六级考试

试题来源：大学四级-231
【单选题】 ______. the next problem was how to carry it out.
A．Having made the plan
B．The plan has been made
C．Has the plan been made
D．The plan having been made

参考答案：D
网考网解析：
计划已经做好，下一个问题是如何将其实施。两句中间没有连词连接，故B，C两项错误；因为主句的主语th... 查看试题解析出处>>