After introducing the new technique, the automobile factory produced ________________ cars in 2010 as the year before.
| A．twice as | B．twice as much | C．twice more | D．twice as many |
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After introducing the new technique, the automobile factory produced ________________ cars in 2010 as the year before.
| A．twice as | B．twice as much | C．twice more | D．twice as many |
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