英语选择题Heat does not travel by connection in solid,because the solid does not move,_____.

英语选择题Heat does not travel by connection in solid,because the solid does not move,_____.
A.so does a liquid B.so a liquid does C.as does a liquid D.so it a liquid
正如液体一样.
可是这句话怎么理解呢?固体不能传播热量,正如液体一样?这也不通顺啊
液体是可以传递热量的，