They just talk instead of _______.

A. working      B. works        C. to work      D. work

Aana
I work in a bank from Monday.My house is near a park and is about ten kilometers from my office.I usually go to work by train.I usually get up at 6.30 am and take the train at 7 am.It usually takes me about thirty minutes to get to my office.The train is quick and cheap. I am never late for work.
I am a student. My house is near a beautiful lake. My school is across from the lake. I can walk to school across a bridge. It takes me about thirty minutes. But I often go to school by boat, because it is more fun. It takes me about twenty minutes.
Nancy
I’m a waiter. I work in a restaurant from Monday to Saturday. I often go to work by bus. It is about five kilometers from my house to the restaurant. It takes me about twenty-five minutes to go to work. Sometimes I am late for work because the traffic is very busy.
【小题1】Anna usually arrives at her office at about ______.