单选题
There are many kinds of metals, ______. A. all having its special properties B. each having its special properties C. one has its special properties D. each has its special properties
【正确答案】
B
【答案解析】[解析] each having its special properties“每种(金属)都有自己的特性”，分词独立结构放在句末，进一步补充说明细节情况。