双胞胎连体反应:13.Time is running out. Hadn't we better___?

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a.to started
b.get start
c.get started
d.got starting
选什么,怎么分析的?

C,be better do someting.
get started,开始。

A
Had better to do sth.

选C
had better do sth.
get started 固定词组,意为:开始