【单选题】

When it comes to (147) a refrigerator, there are several things you should keep in minD、It is advisable that you choose something according to how it benefits you, not according to how many features it has.Be sure never to let a salesperson sway you in a certain direction based on the features of a product. Some people like to buy a refrigerator with a TV in it.Ask yourself if you need (148) like this. If you already have a television in the kitchen, or don’t really watch TV, that screen on your refrigerator door just becomes an extra expense and another thing for a child to break.

Before buying a new refrigerator, it is always a good idea to make a checklist of all the problems you have with your current refrigerator.After all, you definitely want your new fridge to be (149) but a headache.
A．it
B．them
C．that
D．one