Answer:
D) Because the foundation believed in the importance of music, all students in Memphis now have access to instruments, which has changed children's lives.
Explanation:
It is a complex sentence containing two dependent clauses:
1. Because the foundation believed in the importance of music,
2. which has changed children's lives.
Compound modifiers. These are formed when two or more adjectives or attributes or distinguishable units are combined together to form a single noun or a unit. Normally such modified words are combined using hyphens.
The answer is c so ya have fun with your homework