23. The writing brushes bamboo and animal’s hair.
A. are made of
B. is made from
C. is made of
D. are made up
网友回答
(答案→)A. are made of
B. is made from
C. is made of
D. are made up
解析：考查短语辨析。短语be made of由……组成，看得出材料，be made from由……组成，看不出材料。根据句意可知为看得出材料，故选择A。