Ответ:
1 A (...<u>43% </u>of all companies use social networking sites to investigate job candidates.)
2A (<u>In 51% of these cases</u>, the company has found information that has made them <u>decide not to give the person the job</u>.)
3B (The candidate posted inappropriate photos or information (46%))
4C
5A
Объяснение:
2) we aren't..
3) he isn't..
4) she isn't..
5) they aren't..