Select the topic sentence from the following paragraph:

Preparing for a trip is not all that difficult and can be done in just a few easy steps. First off, you have to figure out where you are going. Hopefully it is for fun and not business. You are going to want to research and plan activities for what you are going to be doing, where you are going to stay, and maybe where you want to eat. Then, you have to figure out when you are leaving. Is the time of year going to be good or is it going to be icky weather where you are going? Once you have these steps complete, you will be ready to go on a relaxing trip!

A. You are going to want to research and plan activities for what you are going to be doing, where you are going to stay, and maybe where you want to eat. B. First off, you have to figure out where you are going.
C. Once you have these steps complete, you will be ready to go on a relaxing trip!
D. Preparing for a trip is not all that difficult and can be done in just a few easy steps.