Words produced through affixation constitute（）of all the new words.
A.20% to 30% B.30% to 40% C.40% to 50% D.10% to 20%正确答案B
Words produced through affixation constitute（）of all the new words.
A.20% to 30% B.30% to 40% C.40% to 50% D.10% to 20%正确答案B
