Every year, ________ 10 000 visitors come to visit the Han Tombs from other provinces．

Every year, ________ 10 000 visitors come to visit the Han Tombs from other provinces．

A.as much as

B.as many as

C.as more as

D.as much

答案及解析： B

解析：

visitor是可数名词，不能用much修饰，as…as结构中的形容词或副词要用原级。