Which approach would meet the response time requirement with minimal overhead?

You are implementing an online music that will store and play a user’s collection of songs. You
want users to rate their songs and view the top songs from friends. All queries must complete in
four seconds or less.
Which approach would meet the response time requirement with minimal overhead?

A.
Java class that uses JDBC with embedded SQL

B.
Java class that uses an optimized stored procedure

C.
JPA entity class with a lazy fetching strategy

D.
JPA entity class with an eager fetching strategy