How do we say “买保险” in English?

A、buy an insurance.
B、buy an insurance sheet.
C、buy an insurance policy.
\n How do we say “买保险” in English? A、buy an insurance. - Unit 4 Briefing on Taxation and Insurance Policies - 英语听力教程4(第二次开课) - 重庆高校在线开放课程平台 | 大学网课搜题引擎