【问题】 () is known to the world, Mark Twain is a great American writer.AThatBWhichCAsDIt

() is known to the world, Mark Twain is a great American writer.AThatBWhichCAsDIt

正确答案:C

题目解析:本题出自湖北师范大学,湖北师范大学大学英语,由丰阳塔题库搜集整理。