They’re little sheep that I look after them carefully all day.
A. too, should
B. such, have to
C. so, must
D. such, ought
网友回答
A. too, should
(答案→)B. such, have to
C. so, must
D. such, ought
解析：too副词，太；such形容词，如此的；so副词，如此，这样；should应该；have to必须，不得不；must必须，一定；ought应该，应当。句意：他们是如此小的绵羊，以至于我不得不整天细心地照顾他们。结合语境可知选B。