After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.

　 A. as many twice 　 B. as twice as many

　 C. twice as many 　 D. twice many as

After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.

　 A. as many twice 　 B. as twice as many　 C. twice as many 　 D. twice many as

After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.

A. as many twice 　 B. as twice as many

C. twice as many 　 D. twice many as

After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.

A. as many twice 　 B. as twice as many

C. twice as many 　 D. twice many as

After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.

　 A. as many twice 　 B. as twice as many

　 C. twice as many 　 D. twice many as

After the new technique was introduced, the factory produced______ tractors in 1998 as the year before

1. A.
   as many twice
2. B.
   as twice as many
3. C.
   twice as many
4. D.
   twice many as

 After the new technique was introduced, the factory produced ______ tractors in 1998 as the year before.

A. as twice many                  B. as many twice

C. twice as many                  D. twice many as

After the new technique was introduced, the factory produced ______ tractors in 1998 as the year before．

A．as twice many                                     B．as many twice

C．twice as many                                            D．twice many as