Q. The test cases derived from use cases

• (A) Are most useful in uncovering the defects in the process flows during real world use of the system.
• (B) Are most useful in uncovering the defects in the process flows during the testing use of the system.
• (C) Are most useful in covering the defects in the process flows during real world use of the system.
• (D) Are most useful in covering the defects at the integration level.