下列词语中加点的字，读音全都相同的一组是

A屹立   演绎  造诣   呓语    溢于言表

B盈余   羸弱  萦绕   荧光    义愤填膺

C蓦然   默契  模样   漠视   脉脉含情

D.跻身   侪辈   羁绊  稽查    集腋成裘

She smiled happily，________ a set of amazing white teeth to us.

A．exposing

B．being exposed

C．exposed

D．to expose