Because of the results of its survey, AT&T is planning:

1. to expand its campaign and include other smartphone distractions.
2. to expand its campaign to other parts of the world.
3. to improve smartphone use with new apps.
4. to invest in a virtual reality tour as part of their awareness efforts.
   According to the text, the correct items are:
   a) only 1 and 2.
   b) only 1 and 4.
   c) only 2 and 3.
   d) only 3 and 4.
   e) only 1, 2 and 3.