题干
The poor woman is very worried——_________ little food for______ many children.
A：Such; so
B：So; so
C：Such; such
D：So; such
答案(点此获取答案解析）
B
The poor woman is very worried——_________ little food for______ many children.
A：Such; so
B：So; so
C：Such; such
D：So; such
的最小正周期是（ ）