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

How to use your samsung galaxy tab as a phone 
Check for sim card support. 
Galaxy tablets have two versions: one that supports a sim card and one that doesn't. Refer to the tablet's user manual to see whether the android device you have supports the said feature or not.

Pick from:
 A). Download the samsung, iphone, and android device software. These are available either in the phone app drawer (" more info ") or on the tablet home screen.;
 B). Install smart app downloads to your tablet. The app itself is not connected to your telephone or mobile.;
 C). You can also look around the sides of the tablet or behind its battery for any slot that a sim card might fit in. It's a small slot only a little larger than that of a memory card, and is very easy to find.;
 D). Tablets are only compatible with phones that support each version of the device. If the tablet you use has a different feature, it doesn't operate as well as to support each version.;
The answer is:
C).