题干
No one really knows exactly dfwhen the first people arrived in______we now know as California
A：what
B：whe
C：where
D：which
答案(点此获取答案解析）
A
A：what
B：whe
C：where
D：which
摆一摆。
，有
，填上＞、＜或＝． 
