A new cinema _____ here. They hope to finish it next month.
A:will be built
B:is being built
C:has been built
D:is built
如图①,已知抛物线y=ax2+bx+3(a≠0)与x轴交于点A(1,0)和点B(﹣3,0),与y轴交于点C.
下列加下划线字注音完全正确的一项是 ( )