Honestly, I know that it is either A. or D. I would most likely go with D.
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.
Answer:
I was given the book by him.
Mary had hugged John.
The company is repairing the road.
The boys were given a new book.
The headmaster will send back those who come late
C. They may be more willing to continue reading.