he usually goes on ( )after lunch.A,to work B,working C,with working D,to working

问题描述:

he usually goes on ( )after lunch.A,to work B,working C,with working D,to working

选A.
go on to do sth 继续做另外一件事情.
而go on doing sth 是继续做同一件事情.
工作和吃午饭是不同的事情,所以用go on to do.