Which one of the following statements regarding the INT (interrupt) and the BRQ (but request) pins in a CPU is true?

• A. The BRQ pin is sampled after every instruction cycle, but the INT is sampled after every machine cycle
• B. Both INT and BRQ are sampled after every machine cycle
• C. The INT pin is sampled after every instruction cycle, but the BRQ is sampled after every machine cycle
• D. Both INT and BRQ are sampled after every instruction cycle