What is the meaning of the transaction isolation level TRANSACTION_REPEATABLE_READ. | JDBC

A. Dirty reads, non-repeatable reads and phantom reads can occur
B. Dirty reads are prevented; non-repeatable reads and phantom reads can occur
C. Dirty reads and non-repeatable reads are prevented; phantom reads can occur
D. Dirty reads, non-repeatable reads and phantom reads are prevented

Ans:   C