As a day care worker, you should be familiar with the development of children. Which one of the following items is a developmental achievement of a two-month-old infant?

a Rolling from side to back
B Eruption of teeth
C Good control of head
D Turning toward the source of a sound.

I think that the answer C and D are correct . I need help about it.
Thank you

This is the best answer.

http://www.yourbabytoday.com/features/dev_twomonth/index.html