he and i ______ friends since we met in wuhan last yeara have been b became c have made d are

问题描述:

he and i ______ friends since we met in wuhan last year
a have been b became c have made d are

选A,现在完成时强调的是过去的行为对现在的影响,着重是影响,选A说明自从去年我们在武汉见面到现在我们一直是朋友。
如果用B,可以改成:He and I bacame friends when we met in Wuhan last year.

a

A
后面有完成时态的标志since.这里表示过去的事情持续到现在:自从去年我们在武汉见面之后,我们“一直”是朋友.
如果用B,可以改成:He and I bacame friends when we met in Wuhan last year.