So you have to read it and make it a pronoun
The answer is PAN (Personal Area Network)
With the simple reference to Personal, this
kind of network serves one individual rather than several users. It is an
interconnection of IT devices within a range of an individual person. It could
be used to sync data from a portable device like a PDA to a PC or a desktop
computer or transfer data wirelessly to a printer.
Answer:
12 is c. 13 is a .14 is c 15 I don't know sorry