Only one kid went to Cooper's first birthday party because .
A: Cooper was not good at making friends.
B: Other kids were busy with their classes then.
C: Cooper liked to play with grown-ups.
D: Cooper didn't invite his classmate.
A: Cooper was not good at making friends.
B: Other kids were busy with their classes then.
C: Cooper liked to play with grown-ups.
D: Cooper didn't invite his classmate.
