The play was popular and every time ______ about it, he owed his success to the support of his friends.   [ ]

A. talked      

B. when talked      

C. talking    

D. when talking

点菜时服务员自然站立于宾客身后20厘米处，客人点一道菜服务员复述一遍记入相应的位置，全部菜品点完后，向客人复述一遍菜名及要求，以便得到客人认可。