神八发射的一瞬间，温度高达3000℃，用科学记数法表示3 000，正确的是[ ]

A．0.3×10³

B．3×10⁴

C．3×10³

D．30×10²

The speaker urged the government        immediate action against the illegal regime. [ ]

A.taking

B.taken

C.into taking

D.will take