【答案】Clothing made of man-made fibers has certain

Clothing made of man-made fibers has certain advantages over ________ made of natural fibers like cotton, wool or silk.
A.this
B.one
C.that
D.what

正确答案：C
答案解析：句意：人造纤维制成的衣服比天然纤维，比如：棉花，羊毛或丝绸制作的衣服有一定的好处。这里填的代词是泛指不可数名词Clothing，用that可以特指可数名词单数或不可数名词，而且后面还有后置定语；one是泛指前面提到的可数名词单数；the ones特指前面提到的可数名词复数；what可以引导名词性从句。故选C。