С A
1. Kate spends
a long time a) a big number of teenagers 1.
onlineо
have become addicted to the
net
2. Psychologists think that b) is just one consequence of 2.
this type of addiction
3. Isolation from society c) and she doesn't care about 3.
her school results.
ответ: правильный ответ
1-C
2-A
3-B