问题
选择题
Kate ________ on her new novel, which is supposed to come out next month.
A．was working
B．had worked
C．will be working
D．has been working
答案
答案：D
D 考察时态。句义：凯特一直在忙着写她的新小说。因为下个月应该就要出版了。选现在完成进行时，表示一个动作从过去开始一直持续到现在，而且还可能持续下去。故D正确。