It is generally believed that teaching is it is a science.
A. an art much as
B. much an art as
C. as an art much as
D. as much an art as
网友回答
A. an art much as
B. much an art as
C. as an art much as
(答案→)D. as much an art as
解析：as…as…“像……一样”，much应在冠词之前。