题干
—Sorry, I forgot to water the flowers．
— ．You can do it after lunch if you like．
— ．You can do it after lunch if you like．
A：Me，too
B：That's right
C：Don't mention it
D：Never mind
答案(点此获取答案解析）
D
同时经过第一、三、四象限的必要不充分条件
是（ 
）