题干
Guess what? I ran into a good friend of mine from _______ I was at kindergarten just now!
A：how
B：whom
C：whe
D：which
答案(点此获取答案解析）
C
A：how
B：whom
C：whe
D：which
是空间两条直线，
,
是空间两个平面，则下列选项中不正确的是（ ）
