C.
1) taught
2) didn't get along
3) annoyed
4) grew up
5) didn't fancy
6) Did you perform
D.
1. Amanda isn't as stubborn as Sandy
2. This is the best song on this album
3. The spotted shirt is more expensive than the striped shirt
4. Formal clothes aren't as comfortable as casual clothes
5. Making lots of money is less important than being happy