题干
This is public place for us to do some reading. Don't talk or laugh loudly in public.
A：a; a
B：the; a
C：a; /
D：/; /
答案(点此获取答案解析）
C
This is public place for us to do some reading. Don't talk or laugh loudly in public.
A：a; a
B：the; a
C：a; /
D：/; /
