().
A．-2
B．-1
C．0
D．2
参考答案：A
解析：
因为f(x)在x=-1处连续，
唐朝长安城内分为市和坊，其中市是___________区，坊是___________区。
—______ did you see _____ four yesterday?
—Kitty. [ ]
A. Who, at
B. What, in
C. Who, in
D. What, at
().
().