In China,_______ now and then some mini-fairs are organized in big cities for commodities such as carpet, fur garments, arts and crafts, etc.
A、every
B、from
C、by
D、for
【正确答案】：A
【题目解析】：every now and then不时地，常常；from now and then从那时起；
句意：在中国，一些大城市会时不时地举办一些小型的商品交易会，比如地毯、皮草服装、工艺品等。
