To his satisfaction, he got _____ people voting for him as he thought. [ ]

A. twice more

B. as twice many

C. twice as many

D. more than twice

在二进制计数器的计数过程中，如果触发器的翻转方式是由低位触发器的进位信号来触发其高位触发器，这种计数器称为______二进制计数器。