–I find Chinese people are helpful when traveling around China.

–You’re right. I like ______ when people are friendly and helpful.

A．that

B．it

C．one

D．them

我国《工伤保险条例》中所称的“职工”，是指与用人单位存在劳动关系、与用人单位签订了劳动合同的职工。