“一个篱笆三个桩，一个好汉三个帮。”我们要多交朋友，要有多种朋友。对于交友认识不正确的是   [ ]

A．要讲哥们义气，要为朋友两肋插刀

B．交友要宽容，要原谅朋友无心的过错

C．要结交积极向上、志同道合的朋友

D．交友需要真诚，朋友之间要坦诚相待

Joy _______ as a language teacher in China for two years before she went back to London.

A．had worked

B．was working

C．worked

D．has worked