执行某个任务的窗口操作时，被处理的对象名称都位于窗口的（）。
A.菜单栏
B.标题栏
C.边框
D.窗口内任一位置
参考答案：B
It was not until dark ______ he found______ he believed was the correct way to solve the problem.[ ]
A. that, that
B. that, what
C. when, what
D. when, that
