The minimum periodic time of a compound pendulum is

• A. <img src="/_files/images/mechanical-engineering/theory-of-machines/478-99-1.png">
• B. <img src="/_files/images/mechanical-engineering/theory-of-machines/478-99-2.png">
• C. <img src="/_files/images/mechanical-engineering/theory-of-machines/478-99-3.png">
• D. <img src="/_files/images/mechanical-engineering/theory-of-machines/478-99-4.png">