Matt is now getting on very well with his new job and he earns _____ he did last year. [ ]

A. twice as much as

B. as twice much as

C. twice as many as

D. as twice many as

熔体泵启动的联锁条件为（）。

A、终缩聚釜内料位低联锁

B、熔体泵泵本体温度低联锁

C、熔体泵泵本体温度高联锁

D、终缩聚釜内压力高联锁