This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to rent a car in australia
Familiarize yourself with the requirements.
Before you rent a car in australia, acquaint yourself with laws and requirements for renting, or " hiring, " a car. Not only will this help you decide if you qualify to rent a car in australia, but also whether or not it is a feasible option for your trip.

OPTIONS:
+There are several factors you need to understand in order to decide. A phone, internet connection and air transportation are all important to consider before you purchase a car..
+If you are planning to drive to australia, you will need to be fully informed of several things. You must be able to maintain a stable driving record..
+You must be at least 21 years of age to rent a car. Some companies charge drivers between the ages of 21 and 25 an extra fee..
+It will also ensure that you get the greatest fuel savings possible out of doing so, as well as offset any age difference. Note that some states set limits on how many drivers to allow on your trip..
The answer is:
You must be at least 21 years of age to rent a car. Some companies charge drivers between the ages of 21 and 25 an extra fee.