We have been on pins and needles waiting for you.

We have been on pins and needles waiting for you.
A.我们一直在急切地盼着你来，如坐针毡。
B.我们坐在针毡上等你。
C.我们会一直等你。
D.我们非常痛苦地盼着你来。
正确答案：我们一直在急切地盼着你来，如坐针毡。