题干
.
—Tom, you the lazy bone! You left the dishes unwashed again!
—_______? Mom isn’t at home and she can’t hear you.
—Tom, you the lazy bone! You left the dishes unwashed again!
—_______? Mom isn’t at home and she can’t hear you.
A：Why
B：So what
C：For what
D：How come
答案(点此获取答案解析）
B
是两条直线，
是两个平面，则
的一个充分条件是