Clothing made of man-made materials has advantage over made of natural ones like cotton, wool or silk.
A. one
B. what
C. that
D. the ones
网友回答
A. one
B. what
(答案→)C. that
D. the ones
解析：考查代词：句意：用人造材料做的衣服比用自然材料做的衣服象棉花，羊毛或丝绸的好。这里用that指代Clothing，因为that可以指代前面的可数名词单数或是不可数名词，而且后面有后置定语。one可以指代前面的可数名词单数，the ones特指可数名词复数，what可以引导从句，不能做代词。选C。